(新教材)人教版(2019)高中英语必修第二册单元综合评估2UNIT2课时作业含解析.doc
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1、1 单元综合评估二单元综合评估二(UNIT(UNIT 2)2) 时间:120 分钟满分:120 分 第一部分:听力(略) 第二部分:阅读理解(共两节,满分 35 分) 第一节:(共 10 小题;每小题 2.5 分,满分 25 分) 阅读下面短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。 A A The evolution(进化) of animals depends upon the environmental conditions on Earth.Here are the top four oldest animal species on Earth. HorseshoeHor
2、seshoe CrabCrab445445 millionmillion yearsyears oldold Horseshoe crabs appeared on Earth 445 million years ago.They live in shallow ocean waters across the world.Horseshoe crabs have a long tail.They have nine eyes in total,found throughout the body.Out of the nine,two large eyes are mainly used by
3、horseshoe crabs and the others are used to control their movements. NautilusNautilus500500 millionmillion yearsyears oldold The nautilus is a kind of shellfish living in the sea that existed 500 million years ago.That is long before dinosaurs appeared on Earth.It is said to be the only surviving mem
4、ber of a large group of shellfish.Nautiluses live at a depth of 2,200 feet in the ocean. JellyfishJellyfish (水母)550550 millionmillion yearsyears oldold Jellyfish with an umbrellalike head can be found in every ocean in the world.They have no brain or nervous system.Jellyfish are found in different s
5、hapes and colors.The 90 percent of their body weight is water.They are also known to eat other jellyfish.The box jellyfish is the most dangerous species of jellyfish on Earth. SpongeSponge580580 millionmillion yearsyears oldold Sponges are a special kind of creature living in the sea that looks like
6、 a plant.They appeared in the worlds oceans 580 million years ago.There are 5,000 different species of sponges in the world.They live at different depths in the oceans. Sponges dont have arms or head.They have a special power to grow back a lost body part and a new sponge will grow from the old one.
7、The body of sponges contains many channels,which become a shelter for many small species. 动物的进化取决于地球的环境条件。 当我们挖掘地球的历史时, 我们可以看到一些动物 物种在很久很久以前便出现在地球上并繁衍至今。本文列出了地球上四大最古老的动物物 2 种。 21How many eyes does a horseshoe crab have? AOne.BTwo.CSeven.DNine. 答案:D 解析:细节理解题。根据 Horseshoe Crab445 million years old 中“T
8、hey have nine eyes in total.”可知马蹄蟹(horseshoe crab)有九只眼睛。 22What is the similarity between the nautilus and sponges? ABoth have long tails. BNeither of them has a head. CBoth can live in the deep sea only. DBoth existed before dinosaurs appeared on Earth. 答案:D 解析:推理判断题。根据 Nautilus500 million years ol
9、d 中“That is long before dinosaurs appeared on Earth.”可知鹦鹉螺(nautilus)在恐龙出现在地球上之前就已经存 在了。又根据 Sponge580 million years old 中内容可知海绵动物(sponge)先于鹦鹉螺出 现在地球上。 23What do we know about jellyfish from the text? AThey can be found in most rivers. BTheir body is mostly water. CTheir head looks like a plant. DThey
10、 dont have arms or head. 答案:B 解析: 细节理解题。 根据 Jellyfish(水母)550 million years old 中“The 90 percent of their body weight is water.”可知水母(jellyfish)体内含有百分之九十的水分。 B B Lemurs are cute animals that live on the island of Madagascar, the fourthlargest island in the world.Lemurs have big eyes, long noses, and l
11、ong tails(except for the Indri)andlivehighinthetreesofMadagascanforests.Lemursarequite intelligent.They are the cousins of monkeys and look quite similar.They also swing through the trees and live in family groups. There are different species of lemurs.Some lemurs (the Indri) sing like a whale, and
12、some (the Sifaka) walk like a ballet dancer.Some lemurs are very small, like the Pygmy Mouse.Lemur which weighs only 2530 grams.Others, like the Indri, can weigh up to ten kilograms.Some lemurs are nocturnal,_being awake at night and sleeping during the day, and some are not nocturnal but diurnal.Ge
13、nerally, the smaller lemurs are nocturnal, while the bigger ones are diurnal.All the species are unique to Madagascar. However, all of the lemurs are endangered species.Many species have already disappeared in the last few centuries.There are not many of lemurs left.People in 3 Madagascar have been
14、destroying the forests where lemurs live.Local people also hunt lemurs for food.Some of the local people see lemurs as bringers of bad luck, so they kill lemurs. At the moment, there are about 85 lemur species left.But many people fear that the number of species will fall quickly.Soon there may be n
15、o lemurs left if we do not make serious efforts to protect them. 本文是一篇说明文。文章讲述的是 Madagascar 岛上的狐猴。 24What are Lemurs a lot like? AThey are like human beings because they can dance ballet. BThey are like whales because they sing loudly in a similar way. CThey are like mice because they are very small
16、 weighing only 2530 grams. DThey are like monkeys because they swing through the trees and live in family groups. 答案:D 解析:细节理解题。根据第一段最后两句 They are the cousins of monkeys and look quite similar.They also swing through the trees and live in family groups.可知, Lemurs 就像猴子,因为它们在树间荡来荡去,成群结队地生活。故选 D。 25Wha
17、t does the underlined word “nocturnal” mean? ASleeping at night and being awake during the day. BBeing awake at night and sleeping during the day. CBeing awake day and night. DSleeping day and night. 答案:B 解析:词义猜测题。根据第二段中 being awake at night and sleeping during the day, and some are not nocturnal bu
18、t diurnal.“晚上醒着,白天睡觉,有些不是夜行性的, 而是昼行性的。”可知,nocturnal 的意思是“夜行性的”。故选 B。 26What can we infer from this text? ALemurs can be killed because they may bring bad luck to people in Madagascar. BPeople in Madagascar have realized they shouldnt destroy the forest where lemurs live. CThere is a great chance tha
19、t lemurs will soon be extinct if people do nothing to help them. DWe should raise lemurs somewhere else besides Madagascar to keep them from dying out. 答案:C 解析:推理判断题。根据最后一段最后一句 Soon there may be no lemurs left if we do not make serious efforts to protect them.可知,如果人们不采取任何措施帮助狐猴, 狐猴很有可能很快灭绝。故选 C。 27W
20、hats the best title of the text? 4 ASave Madagascars Forest BA Good Pet Lemurs CPeoples Friends DLemurs of Madagascar 答案:D 解析:标题判断题。根据第一段第一句 Lemurs are cute animals that live on the island of Madagascar, the fourthlargest island in the world.和第二段第一句 There are different species of lemurs.及第三段第一句 Howe
21、ver, all of the lemurs are endangered species.可知,本文讲述的是 Madagascar 岛上的狐猴。故选 D。 C C More than two thirds of the worlds polar bears will be wiped out by 2050, according to a shocking new study.By then,scientists say,global warming will have melted 42 percent of the Arctic sea ice.By 2100,only a very f
22、ew of these important creatures will be left. The report has been produced by the US Geological Survey.The scientists have publicized their findings in the hope of influencing US Interior Secretary Dirk Kempthorne,who has been asked to put polar bears on the US endangered species list. Polar bears d
23、epend on floating sea ice as a platform for hunting seals,which are their main food.Without enough ice,polar bears would be forced to go onto the land,where they are poorly skilled hunters,and would be unlikely to adapt to the life on the land in time.Experts say few bears would survive and the stre
24、ss could make many females unable to get pregnant. The team of American and Canadian scientists spent six months studying bears, on the ground,from spotter planes and in the lab,using computer models.Some team members fear the result is even worse for the bears than what their report says.They say t
25、he Arctic is warming faster than anywhere in the world and much faster than their computer had been forecasting.Satellite observations have showed that the ice has decreased to an alltime low. 5 However,not everyone in the scientific community believes that global warming is happening on such an ala
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