1、Unit 2 Understanding each other Integrated skills, Extended reading, Project, Assessment & Further study2021-2022学年高二英语牛津译林版（2020）选择性必修第四册同步课时作业一、汉译英1.At one time French people banned borrowedwords from English in order to keep their language_(纯粹的)and unique.2.There is a growing _(趋向)amongmiddle-sch
2、ool students that they will do some voluntary work during their vacation.3.If you dont spend time _(背诵)thenew words in time, you will surely forget some of them.4.We must be well prepared, and there must be no _(差错).5.We _(拒绝)any attempt to create a so-called new cold war.二、选词填空take notice of, as we
3、ll as, sign up for, seeas, broaden ones mind, compared to1._ other means of transportation,high-speed trains are more punctual and comfortable.2.When humor_ part of our attitudeto life, it can have far-reaching effects.3.Absorbed in my own studies, I seldom_Mothers tiredness and never offered to hel
4、p herwith the housework, which made me guilty.4.My adviser recommended that I should_advanced literature because I like English and I am good at it.5.We can_ and increase ourknowledge in various fields by learning foreign languages.6.Principal White devoted all his energies toteaching and researchin
5、g _ therunning of a lively school.三、阅读理解 Dolphins appear to make a tasty meal for many predators(捕食性动物). And why? With an exceptionally high fat content, dolphins provide great nutrition for predators who track throughout the ocean. However, dolphins are more troublesome than its worth and most pred
6、ators generally learn to avoid dolphin groups, including sharks. Like elephants, dolphins will circle protectively around the weak members of the group, and attack anything that approaches in a threatening manner. And they can kill sharks. Most predators take one look, and then just swim away. Dolph
7、ins dont worry a lot about being eaten. In general, their only real predator is the shark, and even then only the larger species of sharks dare to attack dolphins. Dolphins have evolved (进化) over a long time to be pretty tough, so in general even the most dangerous sharks stay away from them. Dolphi
8、n parts have been found in the bellies of killer whales, who will eat just about anything. In fact, dolphins and killer whales team up sometimes to catch some prey. As with most edible(可以食用的) species today, the most dangerous threat is man. Sometimes, dolphins are killed not because they are a sourc
9、e of food,but because they prey on the same fish species as humans. Therefore, many fishermen have killed dolphins specifically because they think dolphins will ruin their catch. Even more, there are some countries that eat cetaceans, including dolphins. In Japan, the meat of some dolphin species is
10、 seen as a delicacy, and can cost up to $ 25 a pound. In Peru and many other Latin American countries where the ocean has been largely short of fish due to overfishing or environmental conditions such as El Nino, fishermen have turned to catch dolphins and porpoises to sell in fish markets.1. What c
11、an we learn from the first paragraph?A. No ocean animals can attack dolphins. B. Dolphins are not easy to deal with. C. Dolphins often kill sharks. D. Dolphins are quite low in fat. 2. What does the underlined part in the passagemean?A. People have ever found the evidence of killer whales eating dol
12、phins. B. Killer whales and dolphins have something in common concerning bellies. C. Dolphins and killer whales join hands to hunt and feed. D. Dolphins and killer whales are not similar in belly parts. 3. Which is one of the reasons why dolphins arekilled according to Para. 3?A. The number of dolph
13、ins is too large. B. Dolphins are more delicious than other species. C. Dolphins compete with humans on the same fish species. D. Dolphins, meat is the main economic source for some fishermen. 4. Why do the Japanese kill dolphins?A. Dolphins are a source of delicious food. B. Dolphins affect their w
14、ay of living. C. There arent so many fish in the ocean as before. D. Dolphins cause overfishing. 四、写作 假设你是李华,在美国纽约学习一个月了,但还是无法适应那里的生活,请你给你的美国朋友David写一封电子邮件,请他给你一些建议。要点如下: 1.饮食不习惯; 2.语言交流有障碍; 3.社交遇到问题。 注意:1.词数80左右; 2.可以适当增加细节,以使行文连贯。_答案以及解析一、1.答案：pure2.答案：tendency3.答案：reciting4.答案：slips5.答案：reject二、答
15、案：1. Compared to2. is seen as3. took notice of4. sign up for5. broaden our mind6. as well as三、答案：1-4 BACA解析：1.考查推理判断。由第一段中的However, dolphins are more troublesome than its worth and most predators generally learn to avoid dolphin groups, including sharks和Most predators take one look, and then just sw
16、im away可知,海豚不好对付。2.考查句意理解。由下文中的who will eat just about anything可知,画线部分的意思是人们已经在虎鲸的肚子里发现了海豚的身体部件,即找到了虎鲸吃海豚的证据。3.考查细节理解。由第三段中的Sometimes,dolphins are killed not because they are a sourceof food, but because they prey on the same fishspecies as humans可知,海豚和人类捕食同样的鱼类,故答案为C。4.考查细节理解。由最后一段中的Evenmore, there
17、 are some countries that eat cetaceans,including dolphins. In Japan, the meat of somedolphin species is seen as a delicacy可知,在日本,人们捕杀海豚的原因是把海豚看成了一种美食。四、答案：Dear David, I have been in New York for a month, but I still find it hard to adapt myself to everything around me. I hope that you could give me
18、some suggestions on the following problems. To begin with, I am not accustomed to the food that tastes very different from Chinese food. Besides, I find I cant communicate with others here because it is difficult for me to catch what the locals say. Finally, I have no friends in my class, so I feel lonely.I would be grateful if you could spare some time to do me a favor.Yours,Li Hua
