2020-2021学年高中英语 Unit 5 First aid using language课时作业2 新人教版必修5.docx

1、Unit 5 First aid using language .阅读理解Saving the planet one plateful at a time does not mean cutting back on meat, according to new research: the trick may be to switch our diet to insects.The raising of livestock such as cows, pigs and sheep occupies twothirds of the worlds farmland and produces 20%

2、 of all the greenhouse gases driving global warming. As a result, the United Nations wants to reduce the amount of meat we eat and the search is on for alternatives.Professor Arnold van Huis says eating insects has advantages. “There is a meat crisis，” he said. “The world population will grow from s

3、ix billion now to nine billion by 2050 and we know people are consuming more meat. Twenty years ago the average was 20kg, it is now 50kg, and will be 80kg in 20 years. If we continue like this we will need another Earth.” “Most of the world already eats insects，” he points out. “It is only in the we

4、stern world that we dont. Psychologically we have a problem with it. I dont know why, as we eat shrimps, which are very comparable.”The advantages of this diet include insects high levels of protein, vitamin and mineral content. Being coldblooded, insects change plant matter into protein extremely e

5、fficiently. In addition, the health risks are lower. He acknowledges that in_the_west_eating_insects_is_a_hard_sell，“It is very important how you prepare them, you have to do it very nicely, to overcome the yuk factor.”Durst helped set up an insect farming project FAO project in Laos. This involves

6、transferring the skills of the 15,000 household locust farmers in Thailand across the border. “There were some supporters of a bigger dairy industry in Laos to improve a calcium deficiency, ”says Durst.“But this is crazy when most Asians are lactose (乳糖) intolerant.” Locusts and crickets are calcium

7、rich and 90% of people in Laos have eaten insects at some point. Durst says the project will be to increase the eating of insects where this is already accepted but has been in decline due to western cultural influence.1According to Van Huis, westerners dont eat insects because _.Athere are fewer nu

8、triments in insectsBthey cant overcome a mental barrierCinsects arent as delicious as shrimpsDinsects dont have much meat themselves2The underlined part in the passage may mean _.Ainsects that can be eaten dont sell well in eastern countriesBthere are few eating insects in the markets of western cou

9、ntriesCit is difficult for westerners to accept the idea of eating insectsDselling eating insects in the west is hard to make a lot of money3It can be inferred from what Durst said that _.ALaos is where locusts and cricket are eaten mostBpeople in Laos are good at cooking eating insectsCeating insec

10、ts in Laos is much more popular at presentDmilk isnt suitable for most Asian people to increase calcium4What might be the most suitable title for the passage?AInsects Are the Future of ProteinBInsects Are Rich in CalciumCInsects Are the Target of EatingDInsects Are the Alternative for Food.阅读填句A maj

11、or source of teen stress is school exams, and test anxiety is not uncommon. When you recognize your teen is under stress, how can you help your teen stay calm before an exam?Be involved. You need to be involved in your teens work. _1_ What your teen looks for is your presenceto talk, to cry, or simp

12、ly to sit with her quietly. Communicate openly with your teen. Encourage your teen to express her worries and fears, but dont let her focus on those fears.Help her get organized. _2_ Together, you and your teen can work out a timetable in which she can study for what she know will be on the test.Pro

13、vide a quiet setting. Help your teen set up a quiet place to study and protect her privacy. Give her a nutritious diet. It is important for your teen to eat a healthy, balanced diet during exam time to do her best. _3_ If this happens, encourage your teen to eat light meals or sandwiches. A healthy

14、diet, rather than junk food, is best for reducing stress._4_ Persuade your teen to get some sleep and/or do something active when she needs a real break from studying. Making time for relaxation, fun, and exercise is important in reducing stress. Help your teen balance her time so that she will feel

15、 comfortable when taking time out from studying to spend time with friends or on rest.Show a positive attitude. _5_ Your panic, anxiety and blame contribute to your teens pressure. Make your teen feel accepted and valued for her efforts. Most importantly, reassure your teen that things will be all r

16、ight, no matter what the results are.AParents attitude will dictate their teens emotions.BExam stress can make some teens lose their appetite.CThey will only make the situation worse.DEncourage your teen to relax.EThe best thing is simply to be there.FHelp your teen think about what she has to study

17、 and plan accordingly.GYour teen may also make negative comments about herself.语法填空Some kids may assume that college is very much like their regimented (严格控制的) high school. But _1_ (actual) there are lots freedom at college: There are much more latitude (回旋余地，自由) in _2_ (choose) courses to take, _3_

18、 students can focus primarily on subjects that interest them. Their schedule will vary widely, too. Some days they may have no courses until noon. Most courses may only meet three times a week. These are interesting details that not every youngster is aware _4_.In _5_ (add), students will meet many,

19、 many new friends. Theyll be in a community, _6_ almost everyone is _7_ (rough) the same age. College typically feature scores of clubs, sports, and other activities and thus students arent likely to be bored. Instead of being out in the working world, theyll be among new friends, _8_ (take) many co

20、urses that interest them and enjoying a rich _9_ (society) life.Another compelling point is financial. According to the estimated figures, those who have received a college education will make to ones earning power. Obviously a good job today requires _10_ least a college education.短文改错Mr. Johnson i

21、s a hardworking teacher. Every day, he spends too much time with his work. With little sleep and hardly any break, so he works from morning till night. Hard work have made him very ill. “He has ruined his healthy. We are worried about him.” That is which other teachers say. Yesterday afternoon, I pa

22、id visit to Mr. Johnson. I was eager to see him, but outside her room I stopped. I had to calm myself down. Quietly I step into the room. I saw him lying in bed, looking at some of the picture we had taken together. I understood that he missed us just as many as we missed him.【答案】.书面表达某英文网站发起了论家庭饲养宠

23、物的论坛，请你根据以下要点并结合你的感知，写一篇短文，参与该论坛的讨论。1饲养宠物的流行情况；2饲养宠物的好处与坏处；3你家饲养的宠物的情况；4饲养宠物最值得注意的地方。注意：1词数：100左右；2题目已给出；3可以适当增加细节，以使行文连贯；4文中不能出现考生真实姓名和学校名称。Keeping Pets_范文Keeping PetsNowadays, more and more families choose to spend much money and energy raising pets. Some pets even enjoy the same status as a real

24、family member. Some people find it fun to raise a pet. They think the animal is friendly and interesting. It can accompany them and make them happy. However, it takes much time and energy to keep a pet. Some animals carry unknown diseases. It can be a danger to the animal master.As for my family, we prefer a dog than any other animal. We think it is smarter, and it needs less food and space than others.To keep a pet, you must make sure you have much spare time. At the same time, make sure the animal is safe in health and it does not disturb the neighbours.