（全国通用）2019版高考英语一轮复习 提分单元加餐练 第三辑 Unit 2 Healthy eating 新人教版必修3.doc

1、【 精品教育资源文库 】 Unit 2 Healthy eating 单元加餐练 . 阅读理解 A (2017 浙江高考 )Getting less sleep has become a bad habit for most American kids. According to a new survey(调查 ) by the National Sleep Foundation, 51% of kids aged 10 to 18 go to bed at 10 pm or later on school nights, even though they have to get up ea

2、rly. Last year the Foundation reported that nearly 60% of 7 to 12yearolds said they felt tired during the day, and 15% said they had fallen asleep at school. How much sleep you need depends a lot on your age. Babies need a lot of rest: most of them sleep about 18 hours a day！ Adults need about eight

3、 hours. For most schoolage children, ten hours is ideal(理想的 ). But the new National Sleep Foundation survey found that 35% of 10 to 12yearolds get only seven or eight hours. And guess what almost half of the surveyed kids said they do before bedtime？ Watch TV. “More children are going to bed with TV

4、s on, and there are more opportunities( 机会 )to stay awake, with more homework, the Internet and the phone， ” says Dr Mary Carskadon, a sleep researcher at Brown University Medical School. She says these activities at bedtime can get kids all excited and make it hard for them to calm down and sleep.

5、Other experts say part of the problem is chemical. Changing levels of body chemicals called hormones not only make teenagers bodies develop adult characteristics, but also make it hard for teenagers to fall asleep before 11 pm. Because sleepiness is such a problem for teenagers, some school district

6、s have decided to start high school classes later than they used to. Three years ago, schools in Edina, Minnesota, changed the start time from 7： 25 am to 8： 30 am. Students, parents and teachers are pleased with the results. 篇章导读：本文是一篇调查报告。文章指出美国孩子睡眠缺乏的问题，列举了不同年龄段的孩子所需的睡眠时间、青少年晚睡的原因以及学校为解决青少年的睡眠问题所

7、采取的措施。 1 What is the new National Sleep Foundation survey on? A American kids sleeping habits. B Teenagers sleeprelated diseases. C Activities to prevent sleeplessness. D Learning problems and lack of sleep. 答案： A 细节理解题。根据文章第一段列举的一系列数字可知，国家睡眠基金会对一定年龄段孩子的睡眠习惯进行 了调查，这也呼应了本段第一句 “Getting less sleep has

8、become a bad habit for most American kids.” 。故选 A。 2 How many hours of sleep do 11yearolds need every day? 【 精品教育资源文库 】 A 7 hours. B 8 hours. C 10 hours. D 18 hours. 答案： C 细节理解题。根据文章第二段第四句 “For most schoolage children, ten hours is ideal (理想的 ) ” 可知选 C。 3 Why do teenagers go to sleep late according

9、 to Carskadon? A They are affected by certain body chemicals. B They tend to do things that excite them. C They follow their parents examples. D They dont need to go to school early. 答案： B 细节 理解题。根据文章第三段第一句 “., and there are more opportunities (机会 ) to stay awake, with more homework, the Internet an

10、d the phone.” 以及第二句 “ . these activities at bedtime can get kids all excited and make it hard for them to calm down and sleep.” 可知，孩子们在睡觉前看电视、写作业、上 网或打电话都容易让他们产生兴奋感而难以入睡。故选 B。 B A new research brings some good news for lovers of spicy (辛辣的 ) foods, after finding that eating hot red chili peppers mig

11、ht help to extend lifespan (寿命 ) Consuming hot red chili peppers might reduce death risk, say Chopan and Littenberg from the research team. In hot peppers, such as Mexico peppers, the strong flavor comes from a compound (化合物 ), which does not exist in sweet peppers or onions. Studies have suggested

12、that this compound can offer wealth of health benefits. A study of more than 16,000 people in the United States showed that individuals who consumed red chili peppers had a lower risk of death from all causes over an average of 18 years than those who did not eat the spicy food. Compared with partic

13、ipants who did not consume hot red chili peppers, those who did were found to be at a 13 percent reduced risk of allcause death. For example, a recent study reported by Medical News Today, found that the compound might have the potential to stop breast cancer, while an earlier study linked the compo

14、und to a reduced risk of digest system cancers. Still, the available data suggested that hot red chili pepper consumption was most strongly associated with a reduced risk of death from heart disease. While the researchers are unable to identify the specific compound by which red chili peppers might

15、extend lifespan, the team says that it is likely due to the compound that is effectively against obesity (肥胖症 ) Overall, the team says that these latest findings support those of the 2015 study, linking spicy foods intake to reduced risk of death by showing “a significant decrease in death associate

16、d with hot red chili pepper consumption”. However, Chopan and Littenberg note that the earlier study was only conducted in Chinese adults, so 【 精品教育资源文库 】 the new research makes these findings more credible. 篇章导读：本文是一篇说明文。一项新的研究发现，食用红辣椒之类的辛辣食物可能会降低死亡风险，延长人类的寿命。 4 What can be inferred from the passa

17、ge? A The study only goes for American people. B Red chili peppers can cure allcause diseases. C The compound protects people against obesity. D Onion consuming can reduce death risk. 答案： C 推理判断题。根据倒数第二段内容可知，尽管研究人员还不清楚到底是哪种具体的化合物能够延长寿命，但是研究团队认为可能是一种对防治肥胖症有效的化合物。由此可以推断，这种物质能够控制肥胖。故选 C 项。 5 What is th

18、e finding of the new research mainly about? A Hot red chili pepper lovers develop no cancers. B Hot red chili peppers help control breast illness. C Hot red chili peppers decrease heart disease. D Hot red chili pepper intake may increase lifespan. 答案： D 推理判断题。文章在第一段就提出了研究发现食用辛辣食物如红辣椒能延长寿命，在下文中用具体的数据

19、和例子来支持这一观点。由此可知，这个新发现主要是关于食 用红辣椒可能会延长寿命。故选 D 项。 6 Which of the following has the closest meaning to the underlined word “credible” ？ A Convincing. B Practical. C Encouraging. D Attractive. 答案： A 词义猜测题。文章第二段和第三段的数据和事例是在美国进行的研究得出的结果，画线词所在句则提到，以前的研究只是在中国成年人中进行的，再根据第一段关于研究结果的描述可知，现在的研究结果使得这项 新发现更加令人信服了。

20、 convincing “ 使人信服的 ” ，与画线词意思最接近。故选 A 项。 .七选五 Watermelon is one of the most popular and delicious summer fruits that almost everyone loves. _1_Watermelon is also rich in dietary fiber and potassium (钾 ). While theres a strong debate over whether watermelon is a vegetable or a fruit, many of us consi

21、der watermelon to be both. If you want to learn a few amazingly interesting facts about watermelon, keep reading. Did you know that watermelon can help you increase your brainpower? The thing is, watermelon is an excellent source of Vitamin B6. _2_Moreover, the water percentage in this delicious fru

22、it is similar to the water percentage in the brain. * It has a high water content. _3_According to the USDA, watermelon is 91.5 percent water, which means that 【 精品教育资源文库 】 this fruit can help you stay hydrated (含水的 ) throughout the day. Eating watermelon or drinking watermelon juice each day is on

23、e of the most delicious ways to stay hydrated during this season, isnt it? *Its good for your eyes. Watermelon is packed with Vitamin A, which is great for your eyes. It helps to boost your eyesight power. _4_Consume about 100 grams of watermelon each day to keep your eyes healthy and your eyesight sharp. *_5_ Eating watermelon is a tasty and cheap way to clear your body and drop a few unw