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1、Unit5课时综合复习1课文语法填空The captain of the ship named the Beagle wanted someone to profit by 1._(visit) distant countries.Darwin got the opportunity.Darwin，a geologist and naturalist,2._ _(fascinate) by rocks，plants and animals.The journey gave him the chance 3._ _(study) a variety of living things in the
2、ir natural environments.His room was crowded 4._ samples of the plants and animals he had collected.He began to consider the question 5._ different species came to exist.Maybe animals evolved as they adapted to their 6._(change) environments? Darwin decided to find out the truth.In 1835，Darwin saw 7
3、._ (variety) new species，but it was the birds 8._ interested him the most.After much research，he came to the 9._(conclude) that new species evolved from earlier ancestors.Darwin explained this theory in his book，On the Origin of Species，which 10._(immediate) caused a storm.It has changed ideas about
4、 life on Earth forever.And it all began with the journey on the Beagle.阅读理解AEllen Kalish runs a center for rescued wild animals in New York.When a woman asked if she could treat an owl，she was happy to help.Then，the caller told her exactly where the tiny owl was hiding out.It was the Christmas tree
5、in Rockefeller Center in New York City! Kalish said she has been helping wild animals for 20 years，but she has never heard a story like that.The rescued owl has been nicknamed “Rockefeller”When workers were unwrapping the tree which just arrived，one of them spotted the creature.At first the worker t
6、hought the owl might be injured.One of the workers called his wife，telling her he was bringing the owl home.He asked if she could find a place that helps wildlife animals.She called Kalish.How did Rockefeller end up stuck in the tree in the first place? Kalish offered a few ideas.He could have gone
7、to the tree to hide and got trapped later，she said.Maybe once the tree was loaded onto a truck，the branches squished(挤压) him into the trunk.He might have been too scared to move.Kalish met the woman who first called her at a gas station.The woman handed her a cardboard box with the owl inside.Kalish
8、 brought Rockefeller back to the wildlife center.She said she gave him plenty of water and left two mice in the plastic pet carrier.They were gone by the next morning.Rockefeller spent most of his time at the wildlife center eating or sleeping.On Monday，he went to the vet(兽医) to get some Xrays taken
9、.He has no broken bones，Kalish added.Rockefeller will not spend much time at the center，she said.She is preparing to release him soon.The release will be quick and quiet，she said，and she will bring a camera to take pictures of him flying away.“I will wish him a very long and happy life，” Kalish said
10、.1What can we learn about Ellen Kalish in Paragraph 1?AShe is a vet in a wildlife center.BShe is an employee in a nature reserve.CShe was surprised hearing the owls story.DShe had little experience in treating animals.2Which might be the reason for Rockefellers being found in the Christmas tree?AHe
11、appeared suddenly as the tree was loaded onto a truck.BHe might have been too scared to move when trapped.CHe settled into the tree branches as home.DHe was locked into the trunk of a car.3How did Ellen Kalish help the owl?AShe rescued him from a damaged Christmas tree.BShe drove him back to his hom
12、e in the Northeast.CShe gave him water and food at her wildlife center.DShe performed Xrays on the owl before releasing him.4Which word best describes Rockefellers life in the wildlife center?AUnpleasant. BComfortable.CStressful. DDisappointing.BOn May 9,2016，biologist Chris Kelly saw a lone bat on
13、a bridge crossing the French Broad River outside Asheville，North Carolina.Five years later，everything wildlife biologists thought they knew about endangered gray bats in this corner of the Blue Ridge Mountains has been changed.Kelly，a biologist with the NC.Wildlife Resources Commission，was on the br
14、idge doing bird work.Bats arent her area of expertness，so she reached out to the states bat experts.Joey Weber，a technician who was working for the Commission，arrived at the bridge later that day and found 19 big brown bats inhabiting in the expansion joints.But he heard many more.That night，Weber w
15、as joined by Katherine Etchison，the Commissions bat biologist，for an emergence count.They counted 240，but a busy schedule meant the team couldnt return for a second emergence count until July 18.“I was very eager to get back out there because I really thought there would be something besides big bro
16、wn bats.I was thinking Mexican freetailed bats，which would be a first for Buncombe County，and I was right but that wasnt _ _ _，” said Etchison.The second emergence count recorded 1,000 bats.To learn which species used the bridge，biologists recorded the ultrasonic(超声的) sounds made by emerging bats，wh
17、ich are speciesspecific.Later that night，Etchison rolled through the recorded calls，displayed vividly on her computer，and the suspected Mexican freetailed bats showed up.But，so too did something very unexpected.She immediately texted Susan Cameron，an Ashevillebased biologist.Along with big brown and
18、 Mexican freetailed bats，the computer identified the calls of endangered gray bats.The discovery was confirmed the next day when Etchison，Weber，and Cameron visited the bridge at duskjust before bat emergenceand carefully captured a bat from one of the expansion joints.The 2016 discoveries marked the
19、 first time gray bats were known to inhabit in North Carolina.5How did Kelly find the bat on the bridge?AAccidentally. BProfessionally.CPurposefully. DSkilfully.6What does the underlined phrase “the big news” refer to in the third paragraph?AThat a big brown bat was identified.BThat Mexican freetail
20、ed bats showed up.CThat the discovery of gray bats was confirmed.DThat 1,000 bats were recorded.7How did biologists recognize the species of the bats?ABy emergence counting.BBy recording specific sound.CBy capturing the bats.DBy looking through the computer.8Which of the following is a suitable titl
21、e for the text?AAn Endangered Bat DiscoveryBA Biology ResearchCThe Emergence of BatsDThe Way of Finding Endangered BatsCEvidence of a wormlike creature about the size of a grain of rice has been uncovered in South Australia，and researchers believe it is the oldest ancestor on the family tree that in
22、cludes humans and most animals.The creature lived about 535 million years ago._ is considered to be an evolutionary step forward for early life on Earth.Researchers have been trying to find evidence of the common ancestor of most animals.Developing its body structure and organization successfully al
23、lowed life to move in specific，purposeful directions.This includes everything from worms and dinosaurs to amphibians(两栖动物) and humans.But for our common ancestor，they knew that fossils(化石) of the tiny，simple creatures they imagined would be nearly impossible to find because of its size and soft body
24、.Then，they turned to fossilized burrows，dated to the Ediacaran Period，found in South Australia.For 15 years，scientists knew the burrows were created by the creature.There was no evidence of what made the burrows and lived in them until researchers decided to take a closer look at the burrows.Geology
25、 professor Mary Droser spotted impressions shaped like ovals near the burrows.A 3D laser scan revealed the impressions containing evidence of a body shaped and sized like a rice grain，with a noticeable head and tail which suggested it had muscles.The muscles would have enabled the creature to move a
26、nd create the burrows，like the way a worm moves.And the size of the creature matched with the size of the burrows they found.The researchers involved in the study named the creature Ikaria wariootia.The first name translates as “meeting place” in the Adnyamathanha language.Adnyamathanha is the name
27、of Australian people that live in the area where the fossil was found.9What does the underlined word “It” refer to in the first paragraph?AA wormlike creature. BA grain of rice.CA family tree. DAn evolutionary step.10What did the researchers do during the study?AThey developed the creature in the ex
28、pected way.BThey studied a large number of worms and dinosaurs.CThey observed the burrows close up.DThey went back to the Ediacaran Period some years ago.11What inspired the scientists to explore the origin of the burrows?AA 3D laser scan.BThe impressions.CSome good ovals.DMore burrows.12What does t
29、he text mainly tell us?AThe researchers worked very hard in the burrows.BThe wormlike creature may be animals ancestor.CIt is very difficult to name a new kind of creature.DAustralian people like fossils of many creatures.七选五Trees have long played a special role in all aspects of human life.In ancie
30、nt times，trees provided a place for humans to take shelter from storms，heat and even enemies.Today，the importance of trees continues to increase. 1 Trees provide the necessary oxygen to breathe.Many industrial and development activities add huge quantities of carbon dioxide to the environment.Trees
31、absorb carbon dioxide and in turn release fresh oxygen in the environment. 2 Thus，they are the most important contributors in maintaining the environmental balance.Trees can prevent soil erosion(侵蚀) and clean soil.Trees bind(捆绑) the soil of the earth tightly. 3 They are highly beneficial for prevent
32、ing soil erosion.Besides，poisonous chemicals and pollutants from various factories enter into the soil，thus causing soil pollution.Trees have the ability to store them or change them into less harmful forms. 4 Trees satisfy the need of fuel for cooking in many areas around the world.Trees also provi
33、de wood for furniture and hundreds of household items.Wood pulp(浆) is used for making paper in industries.Also，trees produce a number of fruits and nuts which are sold at market.Some trees are even used to make medicines.Trees provide life to birds and insects. 5 Insects get their food in the form o
34、f seeds，buds，and fruits.Thus trees are the most important supporters of life.AThis lowers global warming.BTrees are of commercial importance.CThis increases the drying effect on the soil.DMore benefits of trees are being discovered.EThey give them food，shelter，cover，and nest sites.FTrees provide wood for making furniture and paper.GTherefore，fast flowing water or heavy wind is unable to take away soil with it.答案：课文语法填空1.visiting；2.was fascinated；3.to study；4.with；5.how 6.changing；7.various ； 8.that；9.conclusion；10.immediately；阅读理解A1C2B3C4BB5A6C7B8AC9A10A11B12B七选五1D2A3G4B5E学科网（北京）股份有限公司
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