1、单元综合评估二(UNIT 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。AThe evolution(进化) of animals depends upon the environmental conditions on Earth.Here are the top four oldest animal species on Earth.Horseshoe Crab445 million years oldHorseshoe cra
2、bs 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 horseshoe crabs and the others are used to control their movements.N
3、autilus500 million years oldThe 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 member of a large group of shellfish.Nautiluses live at a depth of 2,200 feet in the ocean.Jellyfis
4、h (水母)550 million years oldJellyfish 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 shapes and colors.The 90 percent of their body weight is water.They are also known to eat other jellyfish.The box jellyfish is
5、 the most dangerous species of jellyfish on Earth.Sponge580 million years oldSponges are a special kind of creature living in the sea that looks like 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 dept
6、hs 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.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
7、出了地球上四大最古老的动物物种。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“They 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 hea
8、d.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 old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 je
9、llyfish from the text?AThey can be found in most rivers.BTheir body is mostly water.CTheir head looks like a plant.DThey 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。BLemurs are cute animals that l
10、ive on the island of Madagascar, the fourthlargest island in the world.Lemurs have big eyes, long noses, and long tails(except for the Indri) and live high in the trees of Madagascan forests.Lemurs are quite intelligent.They are the cousins of monkeys and look quite similar.They also swing through t
11、he trees and live in family groups.There are different species of lemurs.Some lemurs (the Indri) sing like a whale, and 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 kilogram
12、s.Some lemurs are nocturnal,_being awake at night and sleeping during the day, and some are not nocturnal but diurnal.Generally, 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
13、 have already disappeared in the last few centuries.There are not many of lemurs left.People in Madagascar have been 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 a
14、re about 85 lemur species left.But many people fear that the number of species will fall quickly.Soon there may be no 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.BT
15、hey are like whales because they sing loudly in a similar way.CThey are like mice because they are very small 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.Th
16、ey 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。25What 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
17、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 but 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 r
18、ealized they shouldnt destroy the forest where lemurs live.CThere is a great chance that 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 d
19、o 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。27Whats the best title of the text?ASave Madagascars ForestBA Good Pet LemursCPeoples FriendsDLemurs 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
20、in the world.和第二段第一句There are different species of lemurs.及第三段第一句However, all of the lemurs are endangered species.可知，本文讲述的是Madagascar岛上的狐猴。故选D。CMore 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
21、melted 42 percent of the Arctic sea ice.By 2100，only a very few 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
22、polar bears on the US endangered species list.Polar bears depend 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 la
23、nd in time.Experts say few bears would survive and the stress 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 w
24、orse for the bears than what their report says.They say the 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.However，not everyone in the scientific community be
25、lieves that global warming is happening on such an alarming scale.Another investigation has found that polar bears are still being hunted by wealthy “sportsmen” who want their skins and heads.At least ten international companies offer bearhunting trips.本文说的是由于全球变暖，北极熊有可能在这个世纪末就要灭绝了。28What do we know
26、 about Dirk Kempthorne according to the passage?AHe is an animal scientist.BHe is a protector of animals working for the US government.CHe was asked to put polar bears on the US endangered species list.DHe offered to put polar bears on the endangered species list.答案：C解析：细节理解题。根据第二段第二句中的“.US Interior
27、 Secretary Dirk Kempthorne，who has been asked to put polar bears on the US endangered species list.”可知C正确。29Why will polar bears die out if there is not enough sea ice?ABecause polar bears cant catch enough food without ice.BBecause polar bears eat ice when they feel thirsty.CBecause polar bears wil
28、l be easily found by hunters without ice.DBecause most female bears are used to giving birth under ice.答案：A解析：推理判断题。由文章第三段第一句“Polar bears depend on floating sea ice as a platform for hunting seals，which are their main food.”可知A正确。30After a sixmonth study，some scientists fear that _.Athere is somethi
29、ng wrong with their computersBpolar bears will disappear even faster than they ever expectedCtheir computer models are not as accurate as they expectedDglobal warming will destroy everything in the Arctic答案：B解析：细节理解题。由文章第四段第二句“Some team members fear the result is even worse for the bears than what t
30、heir report says.”可知B正确。第二节：(共5小题；每小题2分，满分10分)根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项是多余选项。You need to dress warmly when you play in the snow.And to get around in deep snow，you might need snowshoes.Animals need winter coats and snowshoes too.A musk ox (麝牛) wears two coats in winter.31._D_ It keeps the i
31、nner coat of soft fur warm and dry.The furry undercoat falls off each spring and the ox grows a new one every winter.A snowshoe rabbit changes its coat to match the season.32._F_ In winter it grows white fur to match the snow.It even has fur on the bottoms of its feet.33_B_ A seal has an extra layer
32、 under its fur coat too.This thick layer of fat lies under the seals skin and is great at holding in heat，especially in the water.The Arctic fox has fur on the bottoms of its feet and one of the warmest double coats of any animal.But on very cold and windy days，it adds something.34._E_A polar bears
33、big feet act like snowshoes.35._G_The bottom of each foot is protected by fur and the fur helps the bear walk on the snowy ground.AIt can run very quickly.BDo you wear a sweater under your coat?CThey can move quickly across the snow.DThe outer coat reaches almost to the ground.EIt uses its thick tai
34、l like a scarf to cover its nose and face.FIn summer its brown fur helps it hide among dirt and rocks.GThey spread out the bears weight so it can walk easily on the snow.本文是说明文。文章介绍了动物如何抵御寒冷以及在冰天雪地里行走。解析31根据下一句“It keeps the inner coat of soft fur warm and dry.”可知，D项“外面的皮毛垂到地面”符合语境。D项中的outer coat 与下一
35、句中的inner coat相呼应。32根据该空前的“changes its coat to match the season”和该空后的“In winter it grows white fur to match the snow.”可知，雪兔的皮毛为了和不同的季节保持协调而发生变化，因此F项介绍雪兔的皮毛在夏天时的情况符合语境。F项中的In summer和下一句中的In winter形成对比。33根据该空后的“an extra layer under its fur coat too”可知，B项“你在外套里面穿毛衣吗？”符合语境。B项中的“a sweater under your coat”
36、与下一句中的“an extra layer under its fur coat”相呼应。34根据该空前的“it adds something”可知，北极狐的尾巴还可当作围巾使用，包裹鼻子和脸。35根据该空前的“A polar bears big feet act like snowshoes.”可知，北极熊宽大的脚可以分摊自身的重量并且保证它们在雪上轻松行走。第三部分：语言运用(共两节，满分45分)第一节：完形填空(共20小题；每小题1.5分，满分30分)阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。On a rainy day，Carolyn Ha
37、mmett and her husband were on their way home.While Hammett was driving，they saw a policewoman 36._A_ in the middle of the road.They were very 37._B_.But they were even more confused as to 38._D_ the policewoman was smiling，even though she had got completely 39._B_ in the rain.As they got closer，they
38、 40._A_ that the officer was protecting a turtle.There seemed to be 41._D_ to its legs and it couldnt move.“I couldnt 42._C_ that she was standing there，protecting that turtle in all that rain.Not many people would do that，no matter what their jobs are.She was serving and 43._D_ in every sense of th
39、e word，”Hammett said.According to Hammett，the policewoman had 44._B_ Animal Control and was waiting for help.She was concerned for its 45._D_ on the busy street.With all the 46._C_ weather，she was really 47._C_ it would be hit by a car.Whats more，it is difficult to 48._A_ the turtle without the righ
40、t tools.So before the rescue people came，the policewoman could only take her place on the road to 49._D_ it.However，instead of 50._B_ the officer，Hammetts husband 51._C_ an umbrella for the officer.Hammett went home to get some simple 52._A_.Then the three used the tools to lead the turtle to safety
41、 on the other side of the road.“The officer thanked us and we thanked her and we all went on our way，”Hammett added.“She was 53._C_ the entire time and she never seemed to 54._D_ that she was caught by the rain.She was delightful，positive and 55._B_，all the things that you think a police officer sho
42、uld be.”36A.standing Blying Csitting Dplaying37A.worried Bsurprised Cafraid Dsatisfied38A.that Bwhere Chow Dwhy39A.cold Bwet Csick Dweak40A.realized BshowedCremembered Dthought41A.fight Bexercise Cmessage Dinjury42A.find Badmire Cbelieve Dafford43A.keeping Bsending Csaving Dprotecting44A.carried Bca
43、lled Cturned Dasked45A.health Bappearance Chabit Dsafety46A.strange Bwarm Cbad Dspecial47A.tired Bshocked Cworried Damazed48A.move Bdescribe Cstop Daccept49A.look over Bwatch for Clook for Dwatch over50A.waiting Bleaving Cstopping Dreturning51A.gave Boffered Cheld Dmade52A.tools Bways Csteps Dmethod
44、s53A.excited Bsorry Chappy Dinterested54A.decide Bchoose Chope Dcare55A.lucky Bkind Cserious Dstrong本文大意：在一个雨天，一对夫妇看见一位女警察为保护一只乌龟不惜被淋湿。他们深受感动，于是帮助这个女警察一起救助了这只乌龟。解析36当Hammett和她丈夫在开车的时候，他们看见一位女警察站在(stand)路中间。37他们非常惊讶(surprised)。38看到这个女警察虽然浑身湿透(wet)，却仍然面带微笑，这对夫妻感到更加困惑，想知道为什么(why)。39解析见上题。40当他们走近了之后，他们意
45、识到(realize)这位警察在保护一只乌龟。41乌龟腿部好像有伤(injury)不能移动。42她一直站在那儿，在雨中保护这只乌龟。这真的令人难以置信。believe相信。43“她做到了全方位的服务和保护(protect)，”Hammett说道。44Hammett说这位女警察已经给动物管理中心打过(call)电话，那时是在等待救援。45她关心乌龟的安全(safety)。46而且天气恶劣(bad)，她很担心(worry)乌龟会被车撞到。47解析见上题。48而且没有适当的工具很难把乌龟移走(move)。49因此，在救援人员到来之前，女警察只能在公路上看着它。watch over看守。50他们并没有
46、就此离开(leave)，Hammett的丈夫给警察撑了(hold)一把伞。51解析见上题。52Hammett回家拿了一些简单的工具(tool)。53她一直很开心(happy)并没有在意(care)被雨淋湿了。54解析见上题。55她是快乐的、积极的、善良的(kind)，所有警察应有的美好品质，她都具备。第二节：(共10小题；每小题1.5分，满分15分)阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Animals can become endangered for a number of reasons，but many experts believe that loss of
47、habitat is the main cause.Some animals are put 56.in danger when people take over their habitats.This often 57.occurs (occur) because people want one or more of the resources (资源) in those areas.Some forests，for example，provide wood 58.that/which is used for things like paper and furniture，etc.Many
48、trees 59.are_being_cut (cut) down every day for such purposes but not enough are being planted.It has seriously decreased the population of many species.In some cases，loss of habitat arises from forest fires or flooding of land.Environmentalists and zoologists are 60.frequently (frequent) trying to
49、do what they can to prevent the number of populations from 61.dropping (drop) too seriously.Sometimes，people influence nature，indirectly causing the animals 62.to_lose (lose) their habitats.Experts believe the problem is becoming much 63.worse (bad) because of the emission (排放) of greenhouse gases.T
50、hey dont know 64.how much influence people have，however.The greenhouse effect can also influence weather 65.patterns (pattern) that affect animals.本文介绍了动物面临灭绝的原因。解析56in danger意为“在危险中”。57设空处表示现阶段经常性的动作，应用一般现在时，且主语为This。故填occurs。58设空处引导限制性定语从句，修饰先行词wood且在从句中作主语，故填that/which。59trees 与cut 之间是被动关系，且由but后
51、内容可知，此处表示现在正在进行的动作，故填are being cut。60设空处修饰谓语，故填副词frequently。61prevent sb./sth.from doing sth.意为“阻止某人/某物做某事”。62cause sb./sth.to do sth.意为“造成/引起某人/某物做某事”。63设空处所在句的句意为“专家认为因为温室气体的排放，这个问题变得更糟糕”。故填worse。64设空处引导宾语从句，且在从句中修饰much，故填how。65that引导定语从句，谓语动词为affect，因此先行词应为复数形式。第四部分：写作(共两节，满分40分)第一节：应用文写作(满分15分)假
52、定你是某高中学生会主席李华，为增强全校师生的安全意识，你校本周三上午准备进行一次消防演习，请你代表学生会写一份书面通知，要点如下：1活动目的；2活动时间；3活动安排(听到火警铃声有序撤离；听消防员安全讲座)；4注意事项。参考词汇：消防演习fire drill; 火警铃fire alarm; 消防通道firefighting accesses。注意：1.词数80左右；2可适当增加细节，以使行文连贯。NoticeA_fire_drill_will_be_held_in_our_school_on_Wednesday_morning_this_week_in_order_to_improve_eve
53、ryones_awareness_of_fire_safety.We_are_supposed_to_perform_as_follows.When_hearing_the_fire_alarm,_everyone_should_quickly_and_orderly_leave_the_buildings_through_the_firefighting_accesses_and_gather_together_on_the_playground.Shortly_afterwards,_a_lecture_about_safety_knowledge_will_be_given_by_a_p
54、rofessional_firefighter.The_fire_drill_is_of_such_instructive_and_educational_importance_that_one_shouldnt_miss_it.Please_be_present_on_time_and_hope_everyone_will_benefit_from_it.Students_Union第二节：概要写作(满分25分)阅读下面短文，根据内容写一篇 60 词左右的内容概要。A class pet can be an invaluable experience for elementary schoo
55、l children.The pet can teach responsibility, build a connection to the classroom, serve as a motivator, and be something for the children to love.If the teacher is willing to take on the added responsibility of caring for an animal in addition to all of the children in the classroom, a class pet can
56、 be a wonderful addition to a class.Many factors need to be taken into consideration when choosing a class pet.It cannot be too big, as classrooms generally have limited space.Cost should also be considered since the teacher will likely have to pay for the pet, its food and its habitat.It must also
57、be somewhat hardy.Each particular type of animal has its advantages and disadvantages, and a teacher must weigh these and make a decision about which one is right for his or her class.Birds are physically more delicate (脆弱的) than many other animals.They will not survive in drafts (气流) and need a som
58、ewhat regulated temperature in their environment.Many birds are quite social and do best with other birds or when being handled routinely by people who can be appropriate with them.Young children are not likely to have the skill to handle a bird without harming it, making it a poor choice for a clas
59、s pet.Some reptiles are beautiful to look at but are delicate, afraid of cold, light sensitivity or poisonous and shouldnt be handled by children.Others are more hardy but require expensive habitats.Most snakes eat rats and mice, which may be a frightening thing for small children to witness.A hardy
60、 fish, such as a betta, is a good lowcost option for a class pet.They are obviously not huggable or able to be caught by children.Besides, they are inexpensive, have relatively long life spans, and can be kept in a simple fish bowl.A_class_pet_is_a_wonderful_addition_to_the_class,_which_can_develop_
61、childrens_responsibility,_build_a_connection_and_act_as_a_motivator.(要点1)But_many_factors_need_considering_when_ choosing_a_class_ pet,_including_its_size,_cost,_advantages_and_disadvantages. (要点2)Birds_and_reptiles_are_a_poor_choice_because_they_are_delicate_and_easy_to_be_harmed_by_children.(要点3)A_hardy_fish_can_be_an_ideal_class_pet,_for_its_cheap,_longlived_and_easy_to_raise.(要点4)
