2021-2022学年人教版必修二Unit4WildlifeProtectionGrammar课时作业(2).docx

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1、Unit 4 Wildlife Protection Grammar 课时作业第一节、阅读理解AAre you interested in some holiday information? Welcome to our Festival-Informing Program to get to know some winter festivals!DivvaliDiwali is a five-day festival of lights celebrated by Indians worldwide in October or November. As part of the festivi

2、ties, houses, stores and other public places are all decorated with diyas（油灯）.People celebrate Diwali by cleaning their homes, then leaving the windows and doors of their houses open so that Lakshmi, the goddess of wealth, can come in. They dress up in new clothes, exchange gifts, play card games an

3、d eat together.HanukkahHanukkah begins in November or December and lasts for eight days. This Jewish festival celebrates the rebuilding of the Temple in Jerusalem in 165 BC. Its celebrated by lighting one candle each night on a special candleholder. Kids often play games during Hanukkah. The most po

4、pular game includes a dreidel（陀螺），a four-sided spinning lop with Jewish letters on each side.KwanzaaKwanzaa is to celebrate African heritage and culture. It was created in 1966 by Dr. Maulana Karenga, a professor of Africana Studies and California State University, Long Beach. The festival begins on

5、 Dec.26 and ends on Jan.l. On each of the nights, the family gathers and a child lights one of the candles on the Kinara（candleholder）, and discusses one of the sever principles, which are ideals（理想）crealed by Karenga. People also celebrate Kwanzaa with meals, music, poetry and dancing.Chinese New Y

6、earThe Chinese New Year, or the Spring Festival, falls between mid-January and mid- to late-February and usually lasts for fifteen days. People celebrate by cleaning their homes, then decorating with red paper cutouts, lanterns, etc.Fire works are set off and. there are dragon and lion dances. Famil

7、y members come together to celebrate. Children receive luck money, given in red envelopes.l.Why do people keep their doors and windows open on Diwali?A. To let wealth in.B. To exchange gifts.C. To receive some letters. D. To make their houses brighter.2 .What do people probably do in celebration of

8、the festival created by a professor?A.Play a dreidel.B. Read poems.C. Attend lectures.D.Set off fireworks.3 .Which of the following festivals lasts the longest?A.Diwali.B.Hanukkah.C.Kwanzaa.D.Chinese NewYear.【参考答案】13 ABDBCetaceans（鲸目动物）communicate through sound to find food and to interact socially.

9、 Their sounds vary between species and within communities. The long-finned pilot whales can mimic （模仿）artificial noise, but nobody had previously recorded them. A new study, however, found overlap in the cetacean sound book.Pilot whales and orcas（虎鲸），the two largest species of cetaceans, are often s

10、een in the same environments and are similar sizes, and both live in social groups with strong union, says Charlotte Cure, a researcher at CEREMA Lab in France, who was not involved in the study. Orcas compete for food with long-finned pilot whales and are potentially their predators.Evidence from o

11、rca stomachs shows they do occasionally eat pilot whales. But pilot whales can mob（成群田住）and chase them away, the only cetaceans seen defending themselves from the strong enemies in this way.Mimicry could serve as additional defense;4One assumption is that if they use similar sounds, they may not be

12、recognized as prey, Erbe says. Pilot whales eating orcas food remains might go unnoticed if they use orca-like calls. This is all underwater,* she adds, t4so these animals rely on sound for detecting their prey and predators/Tong-finned pilot whales have shown an ability to distinguish between orca

13、calls with different meanings; Cure suggests that instead of tricking orcas, the callers could instead be presenting a new orca sound to other group members.Additional work would confirm whether mimicry is actually occurring. Researchers could pair their listening data with direct observations of th

14、e animals* interactions in the wild or perhaps even play orca sounds and watch the whales reactions.But if a future experiment used predatory sounds, it would need to be done. Very carefully/A reaction to a predator can be very strong,* Cure says.uIn some protected areas, you are not allowed to do m

15、ore than two predatory playbacks per year. 5. Which of the following is NOT shared by the pilot whales and orcas?A. They communicate through sound.B. They often live in the same environments.C. They can defend themselves through mimicry.D. They always live together with other group members.6. What d

16、o we know from the fourth paragraph?A. The pilot whales mimic the sounds to detect their prey.B. The pilot whales only mimic one kind of the sounds of the orcas.C. The pilot whales can pretend to be orcas to share the food remains.D. The pilot whales can distinguish different meanings of orca calls

17、to trick them.7. How do the researchers confirm whether mimicry is actually occurring?A. By observing the whales from the distance.B. By mimicking the sounds in the experiment.C. By analyzing the data from the cetacean sound book.D. By listening or playing the sounds and watching the whales reaction

18、s.8. Which can be a suitable title for the text?A. Pilot Whales: Copy Orca CallsB. How Orcas Mimic Pilot Whale CallsC. How Pilot Whales Defend ThemselvesD. Orcas and Pilot Whales: Predators and Prey【参考答案】CCDA【语篇导读】本文是一篇说明文，主题语境是人与自然，讲述长肢领航鲸拥有模 仿虎鲸声音的能力。5 .C【解析】细节理解题。根据第一段可知，pilot whales可以模仿声音，但并未提 及

19、orcas可以模仿声音。A选项根据第一句话“Cetaceans（鲸目动物）communicate through sound to find food and to interact socially.“可以看出来;B 选项根据第二段 中的”.are often seen in the same environments”可以看出来;D选项根据第二段中 的”.live in social groups with strong union”（他们都是群居动物）可以看出来。6 .C【解析】细节理解题。根据第四段中的“Pilot whales eating orcasfood remains mig

20、ht go unnoticed if they use orca-likc calls.”可得知正确答案。根据第四段中的 “not be recognized as prey”可以得知,pilot whales模仿声音是为了不被当做猎物， 而不是捕猎,所以A选项错误;B选项中的“only mimic one kind 错误,根据第 四段中的“Pilot whales.use orca-like calls.“可知,他们可以模仿各种声音:根据第 四段最后一句“instead of tricking orcas.”可以得知，他们不是为了欺骗虎鲸，所 以D选项错误。7 .D【解析】细节理解题。通过倒

21、数第二段可以得知，研究人员可以将他们听觉 的数据和直接观察到的野生动物之间的互动进行匹配，甚至可以播放虎鲸的声音、 观察长肢领航鲸的反应。8 .A【解析】主旨大意题。根据全文各段关键词，可以得出本文是讲述长肢领航 鲸拥有模仿虎鲸声音的能力。第二节、应用文写作请根据下面的提示，写一篇短文，词数不少于80.In your English class, you are asked to describe the following picture and explain to your classmates how you understand it.【参考范文】As we can see in t

22、he picture, a boy is standing high on top of many books looking far into the distance. Such a picture reminds me of a Chinese poem to enjoy a grander sight, climb to a greater height”. Like the steps to the greater height, books can help broaden our horizons and improve our understanding of the world. The more books we read, the more knowledge we will gain, the more learned we will be, and the broader horizons we will have. So pick up books and read! A more exciting world is waiting for us to explore.