题目内容
20.She is one of the students who has passed the exam.has 改为have.分析 她是所有通过考试的人的其中一个.
解答 84.has 改为 have who在这里引导定语从句,修饰先行词students,students在从句里面充当主语,属于复数形式,因此从句的谓语动词也要用复数形式,故has 改为 have.
点评 考查定语从句,要认清从句的各种成分.

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8.Wolves live in packs.Most packs have four to nine members,(41)B the size can range from as few as two wolves to as many as 15.(42)C,a pack can increase to 30members until some individuals(43)Dto find new territory(领地) and form their own pack.
(44)A the pack hierarchy(等级制度),there are male(雄性) and female hierarchies.The alpha(领头的) male (45)D the entire pack,both males and females.The alpha female and male are the(46)Bones that breed.
Wolf packs usually hunt within a territory.Territories can(47)C from 50square miles to over a 1,000.Wolves travel as far as they (48)Bto in order to find prey(猎物).They often travel at five miles per hour but can reach a(49)Aof 40miles per hour.
When the young adults reach the age of three,they can either join the pack or(50)Cto find their own territory.The new territory can be (51)Bby if there is a lot of prey.In some areas young adults travel hundreds of miles to (52)Ca new territory.
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The wolf pups are usually born in a den(兽穴).At birth,they cannot see or(56)A and weigh about one pound.The pups are weaned (断奶) at about six weeks.Adult pack members (57)D meat and bring it back to the den for their pups.(58)A the adults regurgitate(反刍) the food,the pups have a hearty meal.The mother wolf(59)Bher pups to new den sites every couple of months until the fall when the pack stops(60)C at den sites
(44)A the pack hierarchy(等级制度),there are male(雄性) and female hierarchies.The alpha(领头的) male (45)D the entire pack,both males and females.The alpha female and male are the(46)Bones that breed.
Wolf packs usually hunt within a territory.Territories can(47)C from 50square miles to over a 1,000.Wolves travel as far as they (48)Bto in order to find prey(猎物).They often travel at five miles per hour but can reach a(49)Aof 40miles per hour.
When the young adults reach the age of three,they can either join the pack or(50)Cto find their own territory.The new territory can be (51)Bby if there is a lot of prey.In some areas young adults travel hundreds of miles to (52)Ca new territory.
Wolves typically mate for life.In the northern United States,they (53)A from late January through March.The breeding season is earlier for wolves living (54)B south.Wolves are pregnant (怀孕) for about 63days and usually(55)Cfour to six pups.
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41.A.however | B.but | C.in case | D.unless |
42.A.Especially | B.Usually | C.Occasionally | D.Specia lly |
43.A.break off | B.leave off | C.take off | D.move off |
44.A.Within | B.In | C.Without | D.Around |
45.A.holds | B.lives | C.grasps | D.controls |
46.A.most | B.only | C.right | D.very |
47.A.spend | B.take | C.range | D.bring |
48.A.wish | B.need | C.reach | D.go |
49.A.speed | B.area | C.distance | D.height |
50.A.dine | B.sleep | C.leave | D.study |
51.A.far | B.close | C.bad | D.good |
52.A.hunt | B.search | C.find | D.build |
53.A.breed | B.feed | C.raise | D.care |
54.A.later | B.farther | C.deeper | D.longer |
55.A.give | B.take | C.bear | D.bring |
56.A.hear | B.speak | C.walk | D.run |
57.A.eat | B.rob | C.spit | D.swallow |
58.A.After | B.Before | C.Until | D.While |
59.A.brings | B.moves | C.follows | D.leaves |
60.A.sleeping | B.hunting | C.living | D.eating. |
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5.
76.E
Today,the Internet is in a few cars; tomorrow,broadband (宽带) will be in all of them.Any capability a personal computer has,a car will have,including two-way wireless communications for receiving e-mail,music,and movies.When you're crossing the lonely place,the kids can watch TV if they're bored.Every passenger will have a video feed.
77.C
Every car will have a self-driving system linked to GPS satellites.Radar sensors (传感器) will track nearby cars.On the freeway,they'll slow your car when the car ahead of you slows; in town,they'll help you park without hitting other cars.At rush hour,you'll get the routes around traffic jams and accidents.The self-driving system in a car makes it possible for the car to drive itself,though some scientists say that's 30to 40years off.
78.A
Motor vehicles today represent 20to 30percent of the world's energy use.In the near future,a small gasoline engine and an electric motor will be brought together.Drivers will use electricity in a storage battery for short distances.Longer term,cars might burn hydrogen or use a fuel cell that converts a fuel like hydrogen and combines it with oxygen to create power.Then the waste will be pure water.
79.B
You'll use the voice control:"Make it a bit cooler"or"find me country music".Lighter,more reliable electronic controls replace mechanical controls.Fiber optics (光纤) replace electrical wires and light bulbs.Seats will be air-conditioned.The car will travel with one side higher than the other when turning,just as an airplane does now.
80.D
Cars will avoid some accidents by maintaining safe following distances,and by sensing sleepy or drunk drivers.Air bags will adapt for every passenger according to their size,weight,and position in case accidents happen.
A.The future cars and environmental protection B.Driving experience in electronic control C.The functions of self-driving system D.Ways of better safety in the future E.The combination of computing and communications in future cars F.Wireless communications |
Today,the Internet is in a few cars; tomorrow,broadband (宽带) will be in all of them.Any capability a personal computer has,a car will have,including two-way wireless communications for receiving e-mail,music,and movies.When you're crossing the lonely place,the kids can watch TV if they're bored.Every passenger will have a video feed.
77.C
Every car will have a self-driving system linked to GPS satellites.Radar sensors (传感器) will track nearby cars.On the freeway,they'll slow your car when the car ahead of you slows; in town,they'll help you park without hitting other cars.At rush hour,you'll get the routes around traffic jams and accidents.The self-driving system in a car makes it possible for the car to drive itself,though some scientists say that's 30to 40years off.
78.A
Motor vehicles today represent 20to 30percent of the world's energy use.In the near future,a small gasoline engine and an electric motor will be brought together.Drivers will use electricity in a storage battery for short distances.Longer term,cars might burn hydrogen or use a fuel cell that converts a fuel like hydrogen and combines it with oxygen to create power.Then the waste will be pure water.
79.B
You'll use the voice control:"Make it a bit cooler"or"find me country music".Lighter,more reliable electronic controls replace mechanical controls.Fiber optics (光纤) replace electrical wires and light bulbs.Seats will be air-conditioned.The car will travel with one side higher than the other when turning,just as an airplane does now.
80.D
Cars will avoid some accidents by maintaining safe following distances,and by sensing sleepy or drunk drivers.Air bags will adapt for every passenger according to their size,weight,and position in case accidents happen.