素能提升演练（三）必修1 Unit 3. 用下列句型翻译句子1. 一见到警察他们就跑掉了。(upon (doing)sth. )_ 2. 温度越高，压力就越大。(the more. . . the more. . . )_3. 我下午要找人修电视。(have sth. done)_4. 无论什么时间，你到了那儿就给我打电话。(no matter what. . . )_5. 吃个苹果就能挨到吃晚饭了。(keep+复合结构)_6. 我昨天去了那儿，她也去了。(so的倒装句)_. 单项填空1. Im trying to lose weight because Im so _ of my body. A. guiltyB. ashamedC. proudD. patient2. They _ a harmful chemical that caused my liver to fail. A. controlB. includeC. coverD. contain3. He sighed again and the failure in physics seemed to have completely _ his confidence. A. damaged B. attacked C. shocked D. struck4. 2012信阳模拟Lets go there by taxi. Its not far from here, I prefer _. A. walking to take a taxiB. to walk rather than take a taxiC. walk to taking a taxiD. to walk rather than to take a taxi5. 2012合肥模拟Your grandfather is always full of _. Whats the secret? Playing Taiji every morning. A. powerB. energyC. reliefD. force6. 2012杭州模拟The doctors are delighted to find that the patient is beginning to _ from heart trouble. A. uncoverB. discoverC. recoverD. cover7. 2012福州模拟Do you know if Linda is willing to take charge of the program? _, does it? A. It takes no timeB. It counts for nothingC. It doesnt make sense D. It doesnt hurt to ask8. Why are you so frightened? I saw two dark _ enter the building. A. shadesB. appearancesC. shadowsD. figures9. David had promised me he would attend the meeting and _. A. so did heB. so he wouldC. so would he D. so he did10. There is _ water and the farmers can use it to irrigate their fields. A. a great dealB. a large number ofC. a plenty ofD. a large amount of11. Although we _ many serious natural disasters, we are sure to overcome all difficulties. Agive awayBaffect withCsuffer fromDdeal with12. Does the new teaching method work? Yes. The students find it easier to _ what is being taught. Atake inBtake offCtake upDtake on13. She doesnt think she is _; it is said that _ is the mother of success. A. a failure; failureB. failure; a failureC. a failure; a failureD. failure; failure14. Eating well and _ can keep you _. A. more exercise; healthB. exercising more; healthC. exercising more; healthyD. more exercise; healthy15. 2012浏阳模拟Put these glasses away before they _. OK. I will put them in the cupboard. A. have brokenB. are breakingC. get brokenD. will be broken . 阅读理解 (Medical Xpress) In a new study published in PLoS Medicine, researchers have shown that it is not only the American habit of “super-sizing” meals that is leading to obesity, but the number of snacks and meals that are being eaten throughout the day. The study, led by professor of nutrition Barry Popkin from the University of North Carolina, looked at data from food studies conducted as far back as the 1970s and discovered that Americans have increased their daily caloric intake. In 19771978, Americans were consuming on average 1, 803 kcal and in 20032006 that number had jumped up to 2, 374. The study examined the amount of calories in a specific amount of food, portion sizes that were consumed and how many snacks and meals were consumed within a day. Looking at the results, the researchers concluded that portion size and the amount of meals and snacks eaten are the biggest factors responsible for the change. According to the numbers, the number of daily meals and snacks in 1977 was 3. 8 but rose to 4. 8 in 2006. However, the top 10 percent of surveys showed that the number of meals and snacks was as high as seven per day. It appears that in the last few years, portion size seems to be stabilizing, however the total number of calories consumed is increasing. A main reason behind this is the daily consumption of more than 220 more calories consumed daily from soft drinks than in years past. While much diet and health advice over the years has suggested eating more frequent small meals, it appears the idea of eating more frequently is understood but the foods chosen are not correct. Eating small, frequent meals can boost your metabolism(新陈代谢) and control hunger more than eating three big meals a day, however, if these smaller meals are high-calorie and salty options, the benefits are not s