【问答题】 When we think of animals and plants, we have a pretty good way of dividing them into two distinct groups: one converts sunlight into energy and the other has to eat food to make its energy. Well, those dividing lines come crashing down with the discovery of a sea slug (海蛞蝓) that's truly half animal and half plant. It's pretty incredible how it has managed to hijack the genes of the algae (藻类) on which it feeds.

【问答题】 Textbooks represent an 11 billion dollar industry, up from $8 billion in 2014. Textbook publisher Pearson is the largest publisher -- of any kind -- in the world.

【问答题】 Professor Ashok Goel of Georgia Tech developed an artificially intelligent teaching assistant to help handle the enormous number of student questions in the online class, Knowledge-Based Artificial Intelligence. This online course is a core requirement of Georgia Tech's online Master of Science in Computer Science program. Professor Goel already had eight teaching assistants, but that wasn't enough to deal with the overwhelming number of daily questions from students.

【问答题】 For this part, you are allowed 30 minutes to write a letter to a foreign friend who wants to teach English in China. Please recommend a city to him. You should write at least 120 words but no more than 180 words.

【问答题】 For this part, you are allowed 30 minutes to write a letter to a foreign friend who wants to learn Chinese. Please recommend a place to him. You should write at least 120 words but no more than 180 words.

【问答题】 The practice of paying children an allowance became popular in America about 100 years ago. Nowadays, American kids on average receive about $ 800 per year in allowance. But the vast majority of American parents who pay allowance tie it to the completion of housework. Although many parents believe that paying an allowance for completing chores benefits their children, a range of experts expressed concern that tying allowance very closely to chores may not be ideal. In fact, the way chores work in many households worldwide points to another way.

【问答题】 A) Along with old classics like "carrots give you night vision" and "Santa doesn't bring toys to misbehaving children", one of the most well-worn phrases of tired parents everywhere is that breakfast is the most important meal of the day. Many of us grow up believing that skipping breakfast is a serious mistake, even if only two thirds of adults in the UK eat breakfast regularly, according to the British Dietetic Association, and around three-quarters of Americans.

【问答题】 Finally, some good news about airplane travel. If you are on a plane with a sick passenger, you are unlikely to get sick. That is the __26__ of a new study that looked at how respiratory (呼吸道) viruses __27__ on airplanes. Researchers found that only people who were seated in the same row as a passenger with the flu, for example -- or one row in front of or behind that individual -- had a high risk of catching the illness. All other passengers had only a very __28__ chance of getting sick, according to the findings. Media reports have not necessarily presented __29__ information about the risk of getting infected on an airplane in the past. Therefore, these new findings should help airplane passengers to feel less __30__ to catching respiratory infections while traveling by air.

【问答题】 In recent years, a growing body of research has shown that our appetite and food intake are influenced by a large number of factors besides our biological need for energy, including our eating environment and our perception of the food in front of us.

【问答题】 There’re three main types of financial stress people encounter. The first type is apparent in people being stressed about the 26 ups and downs of investment markets-actually not so much the ups but 27 the downs. These people are usually unable or unprepared to endure the long haul.

【问答题】 When is cleaning walls a crime? When you're doing it to create art, obviously. A number of street artists around the world have started expressing themselves through a practice known as reverse graffiti (涂鸦).They find dirty surfaces and paint them with images or messages using cleaning brushes or pressure hoses (高压水管). Either way, it's the same principle: the image is made by cleaning away the dirt. Each artist has their own individual style but all artists share a common aim: to draw attention to the pollution in our cities. The UICs Paul Curtis, better known as Moose, operates around Leeds and London and has been commissioned by a number of companies to make reverse graffiti advertisements.

【问答题】 A)I still remember my fourth-grade social studies project. Our class was studying the Gold Rush, something all California fourth-graders learned. I was excited because I had asked to research Chinese immigrants during that era. Growing up in the San Francisco Bay Area, I had always known that “San Francisco” translated to “Gold Mountain” in Chinese. The name had stuck ever since Chinese immigrants arrived on the shores of Northern California in the 1850s, eager to try their luck in the gold mines. Now l*d have the chance to learn about them.

【问答题】 [A] Too often still, we think we know what poverty looks like. It’s the way we’ve been taught, the images we’ve been force-fed for decades. The chronically homeless. The undocumented immigrant. The urban poor, usually personified as a woman of color, the “welfare queen” politicians still too often reference.

【问答题】 When my son completes atask, I can't help but praise him. I's only natural to give praise where praise is due. right? But is there such a thing as too much praise? According to psychologist Katherine Phillip, children don't benefit from 26_____ praise as much as we' d like to think "Parents often praise, bclicv ing thoy are building thcir child's sclf confidencc. Howcvcr,ovcr-praising can have a 27_____effect," says Phillip "When we use the same praise 28_____，it may become empty and no longer valued by the child. It can also become an expectation that anything they do must be 29_____ with praise. This may lead to the child avoiding taking risks due to fearof 30_____ their parents"

【问答题】 Forests in countries like Brazil and the Congo get a lot of attention from environmentalists, and it is easy to see why. South America and sub-Saharan Africa are experiencing deforestation on an enormous scale: every year almost 5 million hectares are lost. But forests are also changing in rich Western countries. They are growing larger, both in the sense that they occupy more and that the trees in them and bigger. What is going on?

【问答题】 Boredom has, paradoxically, become quite interesting to academics lately. In early May, London’s Boring Conference celebrated seven years of delighting in dullness. At this event, people flocked to talks about weather, traffic jams, and vending-machine sounds, among other sleep-inducing topics.

【问答题】 For this part, you are allowed 30 minutes to write on the topic Changes in the Way of Education. You should write at least 120 words but no more than 180 words.

【问答题】 Directions: For this part, you are allowed 30 minutes to write an essay on are people becoming addicted to technology. You should write at least 120 words but no more than 180 words.

【问答题】 For this part, you are allowed 30 minutes to write on the topic Changes in the Way of communication.You should write at least 120 words but no more than 180 words. 

【问答题】 For this part, you are allowed 30 minutes to write on the topic Changes in the Way of Transportation. You should write at least 120 words but no more than 180 words. 

【问答题】 铁观音 (Tieguanyin) 是中国最受欢迎的茶之一，原产自福建省安溪县西坪镇。如今安溪全县普遍种植，但该县不同地区生产的铁观音又各具风味。铁观音一年四季均可采摘，尤以春秋两季采摘的茶叶品质最佳。铁观音加工非常复杂，需要专门的技术和丰富的经验。铁观音含有多种维生素，喝起来口感独特。常饮铁观音有助于预防心脏病、降低血压、增强记忆力。

【问答题】 普洱(Pu'er)茶深受中国人喜爱,最好的普洱茶产自云南的西双版纳(Xishuangbanna)，那里的气候和环境为普洱茶树的生长提供了最佳条件。普洱茶颜色较深,味道与其他的茶截然不同。普洱茶泡(brew)的时间越长越有味道。许多爱喝的人尤其喜欢其独特的香味和口感。普洱茶含有多种有益健康的元素,常饮普洱茶有助于保护心脏和血管,还有减肥、消除疲劳和促进消化的功效。

【问答题】 Directions: For this part, you are allowed 30 minutes to write an essay on whether violent video games online will cause students’ violent behaviors. You should write at least 120 words but no more than 180 words.

【问答题】 龙井 (Longing) 是一种绿茶，主要产自中国东部沿海的浙江省。龙井茶独特的香味和口感为其赢得了“中国名茶”的称号，在中国深受大众的欢迎，在海外饮用的人也越来越多。龙井茶通常手工制作，其价格可能极其昂贵，也可能比较便宜。这取决于生长地、采摘时间和制作工艺。龙井茶富含维生素C和其它多种有益健康的元素。经常喝龙井茶有助于减轻疲劳，延缓衰老。

【问答题】 微博名人的言论

【问答题】 裸婚(down-to-earth marriage )是一种新的结婚方式，指的是一对恋人没有房子、没有车、不办婚礼、不度蜜月甚至没有婚戒，只领取结婚证（marriage certificate)的结婚方式。这种形式的结婚最低成本只有9元钱。现代年轻人的生活压力较大，而且强调爱情的独立，必须有房再结婚或者大肆操办婚事的传统在年轻一代中被削弱。许多人都相信裸婚是两个人纯粹爱情的见证。

【问答题】 Directions:In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once.

【问答题】 火锅

【问答题】 When travelling overseas, do you buy water in plastic bottles or take your chances with tap water? Imagine you are wandering about on a Thai island or __26__ the ruins of Angkor. It's hot so you grab a bottle of water from a local vendor. It's the safe thing to do, right? The bottle is __27__ , and the label says "pure water". But maybe what's inside is not so __28__ . Would you still be drinking it if you knew that more than 90 percent of all bottled water sold around the world __29__ microplastics?

【问答题】 中国汉族人的全名由姓和名组成。中文姓名的特点是，姓总是在前，名跟在其后。千百年来，父姓一直世代相传。然而，如今，孩子跟母亲姓并不罕见。一般来说，名有一个或两个汉字，通常承载父母对孩子的愿望。从孩子的名字可以推断出父母希望孩子成为什么样的人，或者期望他们过什么样的生活。父母非常重视给孩子取名，因为名字往往会伴随孩子一生。

【问答题】 茶拥有5000年的历史。传说，神农氏( Shen Nong)喝开水时，几片野树叶子落进壶里开水顿时散发出宜人的香味。他喝了几口，觉得很提神。茶就这样发现了。

【问答题】 茅台(Moutai)是中国最有名的白酒，在新中国成立前夕，被选为国宴用酒。

【问答题】 鱼是春节前夕餐桌上不可或缺的一道菜，因为汉语中“鱼”字的发音与“余”字的发音相同。正由于这个象征性的意义，春节期间鱼也作为礼物送给亲戚朋友。鱼的象征意义据说源于中国传统文化。中国人有节省的传统，他们认为节省得愈多，就感到愈为安全。今天，尽管人们愈来愈富裕了，但他们仍然认为节省是一种值得弘扬的美德。

【问答题】 The fifth largest city in US passed a significant soda tax proposal that will levy (征税)1.5 cents per liquid ounce on distributors.

【问答题】 A) Getting around a city is one thing -- and then there's the matter of getting from one city to another. One vision of the perfect city of the future: a place that offers easy access to air travel.In 2011, a University of North Carolina business professor named John Kasarda published a book called Aerotropolis: The Way We'll Live Next. Kasarda says future cities should be built intentionally around or near airports. The idea, as he has put it, is to offer businesses "rapid, long-distance connectivity on a massive scale."

【问答题】 生活在中国不同地区的人们饮食多种多样。北方人主要吃面食，南方人大多吃米饭。在沿海地区，海鲜和淡水水产品在人们饮食中占有相当大的比例，而在其他地区人们的饮食中，肉类和奶制品更为常见。四川、湖南等省份的居民普遍爱吃辛辣食物，而江苏和浙江人更喜欢甜食。然而，因为烹饪方式各异，同类食物的味道可能会有所不同。

【问答题】 Directions: For this part, you are allowed 30 minutes to write a letter to a foreign friend who wants to study in China. Please recommend a university to him. You should write at least 120 words but no more than 180 words.

【问答题】 中国，地球上最吸引人的国家之一，有5000多年的历史，是目前全球第二大经济体(the second largest economy)。随着广泛的经济改革，中国正经历着显著、快速的变化。1949年以前的中国极端贫困、收入不平衡(incomeinequalities)、国家不安全。由于经济改革，从1980年开始，人民的生活水平开始提升至基本水平之上。全国人口有了足够的食物、衣服和住房，普通家庭可以吃得起各种各样的食物，穿得上时尚的衣服。

【问答题】 Directions: For this part, you are allowed 30 minutes to write a letter to a foreign friend who wants to teach English. Please recommend a city to him. You should write at least 120 words but no more than 180 words.

【问答题】  牡丹(peony)花色艳丽，形象高雅，象征着和平与繁荣，因而在中国被称为“花中之王”。中国许多地方都培育和种植牡丹。千百年来，创作了许多诗歌和绘画赞美牡丹。唐代时期，牡丹在皇家园林普遍种植并被誉为国花，因而特别风行。十世纪时，洛阳古城成为牡丹栽培中心，而且这一地位一直保持到今天。现在，成千上万的国内外游客蜂拥到洛阳参加一年一度的牡丹节，欣赏洛阳牡丹的独特之美，同时探索九朝古都的历史。

【问答题】 A) Have young people never had it so good? Or do they face more challenges than any previous generation? Our current era in the West is one of high wealth. This means minors enjoy material benefits and legal protections that would have been the envy of those living in the past. But There is an increasing suspicion that all is not well for our youth. And one of the most popular explanations, among some experts and the popular media, is that excessive "screen time" is to blame. (This refers to all the attention young people devote to their phones, tablets and laptops.) However, this is a contentious theory and such claims have been treated skeptically by some scholars based on their reading of the relevant data.

【问答题】 When considering risk factors associated with serious chronic diseases, we often think about health indicators such as cholesterol, blood pressure, and body weight. But poor diet and physical inactivity also each increase the risk of heart disease and have a role to play in the development of some cancers. Perhaps worse, the __26__ effects of an unhealthy diet and insufficient exercise are not limited to your body. Recent research has also shown that __27__ in a high-fat and high-sugar diet may have negative effects on your brain, causing learning and memory __28__.

【问答题】 Here's how the Pacific Northwest is preparing for "The Big One". It's the mother of all disaster drills for what could be the worst disaster in American history. California has spent years preparing for "The Big One" -- the inevitable earthquake that will undoubtedly unleash all kinds of havoc along the famous San Andreas fault (断层). But what if the fault that runs along the Pacific Northwest delivers a gigantic earthquake of its own? If the people of the Cascadia region have anything to do with it, they won't be caught unawares.

【问答题】 "The dangerous thing about lying is people don't understand how the act changes us," says Dan Ariely, behavioral psychologist at Duke University. Psychologists have documented children lying as early as the age of two. Some experts even consider lying a developmental milestone, like crawling and walking, because it requires sophisticated planning, attention and the ability to see a situation from someone else's perspective to manipulate them. But, for most people, lying gets limited as we develop a sense of morality and the ability to self-regulate.

【问答题】 Industrial fishing for krill(磷虾) in the unspoilt waters around Antarctica is threatening the future of one of the world's last great wildernesses, according to a new report.

【问答题】 Last year, a child was born at a hospital in the UK with her heart outside her body. Few babies survive this rare condition, and those who do must endure numerous operations and are likely to have complex needs. When her mother was interviewed, three weeks after her daughter's birth, she was asked if she was prepared for what might be a daunting (令人生畏的) task caring for her. She answered without hesitation that, as far as she was concerned, this would be a "privilege".

【问答题】 For this part, you are allowed 30 minutes to write an essay on the importance of having a sense of social responsibility. You should write at least 150 words but no more than 200 words.

【问答题】 梅花(plum blossom)位居中国十大名花之首，源于中国南方，已有三千多年的栽培和种植历史。隆冬时节，五颜六色的梅花不畏严寒，迎着风雪傲然绽放。在中国传统文化中，梅花象征着坚强、纯洁、高雅、激励人们不畏艰难、砥砺前行。自古以来，许多诗人和画家从梅花中获取灵感，创作了无数不朽的作品。普通大众也都喜爱梅花，春节期间常用于家庭装饰。南京市已将梅花定为市花，每年举办梅花节，成千上万的人冒着严寒到梅花山踏雪赏梅。

【问答题】 For this part, you are allowed 30 minutes to write an essay on the importance of having a sense of family responsibility. You should write at least 150 words but no more than 200 words.

【问答题】 荷花(lotus flower)是中国的名花之一，深受人们喜爱。中国许多地方的湖泊和池塘都适宜荷花生长。荷花色彩鲜艳，夏日清晨绽放，夜晚闭合，花期长达两三个月，吸引来自各地的游客前往观赏。荷花具有多种功能，既能绿化水面，又能美化庭园，还可净化水质、减少污染、改善环境。荷花迎骄阳而不惧，出污泥而不染，象征纯洁、高雅，常来比喻人的高尚品德，历来是诗人画家创作的重要题材。荷花盛开的地方也是许多摄影爱好者经常光顾之地。

【问答题】 A) The marketing is tempting: Get stronger muscles and healthier bodies with minimal effort by adding protein powder to your morning shake or juice drink. Or grab a protein bar at lunch or for a quick snack. Today, you can find protein supplements everywhere -- online or at the pharmacy, grocery store or health food store. They come in powders, pills and bars. With more than $12 billion in sales this year, the industry is booming and, according to the market research company, Grand View Research, is on track to sell billions more by 2025. But do we really need all this supplemental protein? It depends. There are pros, cons and some other things to consider.

【问答题】 The persistent haze over many of our cities is a reminder of the polluted air that we breathe. Over 80% of the world's urban population is breathing air that fails to meet World Health Organisation guidelines, and an estimated 4.5 million people died __26__ from outdoor air pollution in 2015.

【问答题】 A) Though he didn't come from a farming family, from a young age Tim Joseph was fascinated by the idea of living off the land. Reading magazines like The Stockman Grass Farmer and Graze, he got hooked on the idea of grass-fed agriculture. The idea that all energy and wealth comes from the sun really intrigued him. He thought the shorter the distance between the sun and the end product, the higher the profit to the farmer.

【问答题】 The number of devices you can talk to is multiplying -- first it was your phone, then your cat, and now you can tell your kitchen appliances what to do. But even without gadgets that understand our spoken commands, research suggests that, as bizarre is it sounds, under certain __26__ people regularly ascribe human traits to everyday objects.

【问答题】 Rising temperatures and overfishing in the pristine(未受污染的) waters around the Antarctic could see king penguin populations pushed to the brink of extinction by the end of the century, according to a new study. The study's report states that as global warming transforms the environment in the world's last great wilderness, 70 percent of king penguins could either disappear or be forced to find new breeding grounds.

【问答题】 Schools are not just a microcosm (缩影) of society; they mediate it too. The best seek to alleviate the external pressures on their pupils while equipping them better to understand and handle the world outside -- at once sheltering them and broadening their horizons. This is ambitious in any circumstances, and in a divided and unequal society the two ideals can clash outright(直接地).

【问答题】 [A] Notre Dame Cathedral in the heart of Paris was within “15 to 30 minutes’ of complete destruction as firefighters battled to stop flames reaching its bell towers on Monday evening, French authorities have revealed. A GREater disaster was averted by members of the Paris fire brigade, who risked their lives to remain inside the burning monument to create a wall of water between the raging fire and the two towers on the west of the building.

【问答题】 Nicola Sturgeon's speech last Tuesday setting out the Scottish government's legislativeprogramme for the year ahead confirmed what was already pretty clear. Scottish councils are settobe the first in the UK with the power to levy charges on visitors，with Edinburgh likely to lead theway.

【问答题】 For this part, you are allowed 30 minutes to write an essay on the importance of having a sense of community respousibility. You should write at least 150 words but no more than 200 words.

【问答题】 The car has reshaped our cities. It seems to offer autonomy for everyone. There is something almost delightful in the detachment from reality of advertisements showing mass-produced cars, marketed as symbols of individuality and of freedom when most of their lives will be spent making short journeys on choked roads.