1、Unit 3Learning about Language一、1.We walked back around the _(自助餐厅), to the south buildings by the gym.2.I am a _(素食者). I must stick to my principles.3.See, your computer has broken down again! It doesnt make sense to buy the cheapest b_(品牌) of computer just to save a few dollars.4.Whats your comment
2、 on the hygiene (卫生) of the food and c_(食堂) surroundings?5.The government has taken measures to bring down the high prices of daily goods to keep the market s_(稳定的).6.That was the first time that I _(catch) in a sandstorm in Dubai and I dont want to be in one again.7.Helen said she _(sign) up for th
3、e International Mathematical Olympiad.8.Jack _(mean) to visit his grandmother, but the bad weather made him change his mind.9.By the time Li Ming hurried home, he found that his mother_ (send) to hospital.10.Rescue workers risked their lives saving two tourists who _(trap) in the mountains for two d
4、ays.二、at least, set off for, worry about, earn his living, switch off, be regarded as1. The Last Supper_ one of Leonardo da Vincis masterpieces.2. Mr Smith _ by delivering lectures throughout the country.3. My friend and I _ a new adventure on the first day of the New Year.4. As soon as the seat bel
5、t sign had been _, we rushed out of the plane.5. As far as I am concerned, _ my friend was able to offer you some useful advice.6. Some parents _ their children who are not able to stand up for themselves in life.三、 Scientists have found that eating dark chocolate appears to lower the risk of depres
6、sion by four fold. While 7.6 percent of the 13,000 people surveyed reported depressive symptoms, just 1.5 percent of the chocolate eaters did. The study also found that the people who consumed the most of any chocolate were also 57 percent less likely to report depressive symptoms. The study is the
7、first to examine the association with depression according to the type of chocolate consumed. The team assessed data from 13,626 adults from the US National Health and Nutrition Examination Survey. A range of other factors including height, weight, marital status, education, household income, physic
8、al activity, smoking and chronic (慢性的) health problems were also taken into account to ensure the study only measured chocolates effect on depressive symptoms. After adjusting for these factors, it was found that individuals who reported eating any dark chocolate in two 24-hour periods had 70 percen
9、t lower odds of reporting clinically relevant depressive symptoms in the previous two weeks than those who reported not eating chocolate at all. Chocolate contains a number of psychoactive ingredients (精神活性成分) which produce a feeling of euphoria (兴奋感) similar to that of cannabinoid (大麻素), found in c
10、annabis. It also contains phenylethylamine (苯基乙胺), which is believed to be important for regulating peoples moods. However British scientists urged caution about the findings, suggesting that the decision to eat dark chocolate could be linked to other health factors. For example, people who choose d
11、ark chocolate may be more health conscious in general, which is known to protect against depression.Depressed people are also more likely to crave more sugary fatty foods and so could be less likely to pick a dark alternative when choosing chocolate.1.What is the aim of the study?A.To find a cure fo
12、r depression.B.To find out the cause of depression.C.To research on the ingredients of chocolate.D.To study association between depression and chocolate.2.What is phenylethylamine?A.Something that can make people excited.B.Something that can adjust peoples moods.C.Something that can make people depr
13、essed.D.Something that can make people overweight.3.What is British scientists attitude toward the findings?A. Supportive.B. Negative.C. Doubtful.D. Cautious.4.What are depressed people more likely to do?A. Eat sugary fatty foods. B. Have dark chocolates.C. Exercise outdoors.D. Concern about health.
14、四、 Mochi (年糕) is a traditional food popular in Chinese and Japanese cooking, made from _ (special) treated rice. It is often presented in the form of a round cake, and is traditionally exchanged at the New Year. Mochi is made by _ (put) sticky rice into water overnight, cooking it and pounding it in
15、to a sticky paste. The paste is made into shapes ranging from simple to complex rounds, some of _ are stuffed with sweet fillings. Mochi is often decorated with _ (flower) or fruits, especially when it is exchanged as _ gift at celebrations like birthdays and the New Year. Traditionally, wooden mort
16、ars (臼) and pestles (杵) _ (use) to pound mochi rice. Fresh mochi is usually cooked and served warm _ a variety of sauces. Steaming and boiling are both popular preparations in Japan, along with cooking. Fresh mochi is soft but it hardens quickly. Prepacked mochi blocks, flattened and cut into square
17、 pieces or _ (shape) into rounds, are available at grocery stores. Mochi can go bad easily, so its _ (good) to cook soon than to keep it in your fridge. Hard mochi pieces can be cooked, deep-fried, boiled, and more. Cooked mochi is very sticky, so be careful not _ (choke) on it.答案以及解析一、1.答案：cafeteri
18、a2.答案：vegetarian3.答案：brand解析：句意：看，你的电脑又坏了！为了省几美元而买最便宜的牌子的电脑是没有意义的。4.答案：canteen解析：句意：您对食品卫生和食堂环境有何评价？ 5.答案：stable解析：句意：政府已采取措施降低日常用品的高价以保持市场稳定。6.答案：had been caught解析：句意：那是我第一次在迪拜遭遇沙尘暴，我不想再有这样的经历。在This/That/It was the first/second.time that.句式中，从句要用过去完成时；且I与catch之间是被动关系，故用被动语态。7.答案：had signed解析：分析句子结构
19、可知，said后跟宾语从句，从句表示说话前已经发生的动作，故应用过去完成时。8.答案：had meant解析：句意：Jack原打算去探望他祖母的，但是恶劣的天气使他改变了主意。had +表示个人意志、打算、想法的动词（如think/mean/intend/want/expect/hope.）的过去分词 表示 本来要做某事（暗含后来没有做成之意）。故填had meant。9.答案：had been sent解析：由he found可知，空处应用过去完成时，且此处his mother与send之间为被动关系，故填had been sent。10.答案：had been trapped解析：句意：救
20、援人员冒着生命危险挽救了两名被困在山里两天的游客。trap表示的动作发生在risked之前，表示过去的过去，且表示被困，因此要用过去完成时的被动语态。二、答案：1.is regarded as 2.earned his living 3.set off for 4.switched off 5.at least 6.worry about三、答案：1-4 DBDA解析：1.细节理解题。根据第二段第一句The study is the first to examine the association with depression according to the type of chocola
21、te consumed.可知，其目的是研究抑郁和食用巧克力的种类之间的关系。2.细节理解题。根据第五段最后一句中which is believed to be important for regulating peoples moods可知，苯基乙胺是调节人们情绪的东西。3.推理判断题。根据第六段第一句However British scientists urged caution about the findings, suggesting that the decision to eat dark chocolate could be linked to other health fact
22、ors.可知，英国科学家对研究的发现持谨慎的态度。4.细节理解题。根据最后一段Depressed people are also more likely to crave more sugary fatty foods and so could be less likely to pick a dark alternative when choosing chocolate.可知，抑郁的人也更有可能想吃更多的高糖高脂食物，因此在选择巧克力时，他们不太可能选择黑巧克力。四、答案：specially putting which flowers a are used with shaped bett
23、er to choke解析：考查副词。此处要用副词修饰过去分词treated，故填specially。考查非谓语动词。by是介词，表示通过，后接动词-ing形式作宾语，故填putting。考查非限制性定语从句。分析句子结构可知，此处是代词+of+关系代词引导非限制性定语从句，所以填which。考查名词。根据or fruits可知，此处也要用名词复数，故填flowers。考查冠词。gift 为可数名词，此处修饰名词gift，且gift读音以辅音音素开头，故填不定冠词a，表示泛指。考查动词时态语态。主语为wooden mortars and pestles，谓语动词要用复数形式，且与use构成被动关系，又因为全文时态为一般现在时，故填are used。考查介词。根据句意可知，此处用介词with表示与一起，所以填with。考查非谓语动词。根据or前的flattened and cut可知，此处也要用过去分词形式作后置定语，所以填shaped。考查比较级。根据than可知，此处要用形容词的比较级，所以填better。考查非谓语动词。be careful to do sth.为固定词组，表示小心做某事，所以填to choke。