题目列表(包括答案和解析)
Sea turtles are found in all warm waters throughout the world. Sea turtles are the___36____ of the turtles. The largest kind of sea turtle can grow as long as eight feet and ___37___ 1,500 pounds. Even the smallest kind, Kemp’s-Ridley, can ___38___ to 28 inches long and weigh almost 100 pounds. Many other turtles are small enough to___39___ in your hand. It is difficult to find population numbers for sea turtles because they do not___40____ shore once they hatch and reach the ocean, which makes it hard to ___41___ them. Sea turtles___42___ in the water because they are safer there. They cannot___43___ their heads and feet into their shells like other turtles can. Sea turtles cannot hide inside their shells __44___ other animals that want to eat them. They need to move quickly to stay safe.
When the weather ___45___ warm, sea turtles leave the ocean to___46___ their eggs on the beach. This is the only time they will ever leave the water. Most___47____ turtles spend part of the time in water___48___ part of the time on land. It is easy to understand___49____ sea turtles stay in the water. Their___50___ to swim is greater than their ability to walk. Their heavy bodies and unusual feet make it hard for them to ___51___ on land. They are better___52___ for life in the water. They are well suited for life in the sea because of__53___ their bodies are made.
The way their feet are made helps sea turtles swim very quickly. Their feet look like long __54___. When they swim, they flap their feet like a bird flaps its wings. This ___55___ way of swimming benefits sea turtles. It allows them to escape from their enemies.
36. A. dwarfs B. giants C. mammals D. ancestors
37. A. measure B. weigh C. sell D. sound
38. A. grow up B. bring up C. take up D. go up
39. A. suit B. fit C. match D. seize
40. A. go to B. turn to C. back to D. return to
41. A. keep up with B. keep track of C. keep in touch with D. keep to
42. A. swim B. hide C. sleep D. stay
43. A. push B. draw C. drag D. pull
44. A. away B. from C. for D. to
45. A. becomes B. turns C. changes D. leads
46. A. lay B. lie C. laid D. lain
47. A. the other B. another C. other D. others’
48. A. but B. and C. or D. so
49. A. when B. where C. why D. as
50. A. technique B. talent C. ability D. opportunity
51. A. walk B. travel C. wander D. play
52. A. adopted B. adapted C. adequate D. admitted
53. A. the way B. the manner C. the method D. the shape
54. A. paddles B. sticks C. wings D. tails
55. A. abnormal B. unusual C. ordinary D. unbelievable
Sea turtles are found in all warm waters throughout the world. Sea turtles are the___36____ of the turtles. The largest kind of sea turtle can grow as long as eight feet and ___37___ 1,500 pounds. Even the smallest kind, Kemp’s-Ridley, can ___38___ to 28 inches long and weigh almost 100 pounds. Many other turtles are small enough to___39___ in your hand. It is difficult to find population numbers for sea turtles because they do not___40____ shore once they hatch and reach the ocean, which makes it hard to ___41___ them. Sea turtles___42___ in the water because they are safer there. They cannot___43___ their heads and feet into their shells like other turtles can. Sea turtles cannot hide inside their shells __44___ other animals that want to eat them. They need to move quickly to stay safe.
When the weather ___45___ warm, sea turtles leave the ocean to___46___ their eggs on the beach. This is the only time they will ever leave the water. Most___47____ turtles spend part of the time in water___48___ part of the time on land. It is easy to understand___49____ sea turtles stay in the water. Their___50___ to swim is greater than their ability to walk. Their heavy bodies and unusual feet make it hard for them to ___51___ on land. They are better___52___ for life in the water. They are well suited for life in the sea because of__53___ their bodies are made.
The way their feet are made helps sea turtles swim very quickly. Their feet look like long __54___. When they swim, they flap their feet like a bird flaps its wings. This ___55___ way of swimming benefits sea turtles. It allows them to escape from their enemies.
36. A. dwarfs B. giants C. mammals D. ancestors
37. A. measure B. weigh C. sell D. sound
38. A. grow up B. bring up C. take up D. go up
39. A. suit B. fit C. match D. seize
40. A. go to B. turn to C. back to D. return to
41. A. keep up with B. keep track of C. keep in touch with D. keep to
42. A. swim B. hide C. sleep D. stay
43. A. push B. draw C. drag D. pull
44. A. away B. from C. for D. to
45. A. becomes B. turns C. changes D. leads
46. A. lay B. lie C. laid D. lain
47. A. the other B. another C. other D. others’
48. A. but B. and C. or D. so
49. A. when B. where C. why D. as
50. A. technique B. talent C. ability D. opportunity
51. A. walk B. travel C. wander D. play
52. A. adopted B. adapted C. adequate D. admitted
53. A. the way B. the manner C. the method D. the shape
54. A. paddles B. sticks C. wings D. tails
55. A. abnormal B. unusual C. ordinary D. unbelievable
B
Fever has usually been regarded as a threat to health.However,no one has actually proved that fever is dangerous.This fact attracted the attention of Matthew J.Kluger.Imagining that fever might not be as harmful as it had been supposed,Kluger set up a series of experiments with lizards(蜥蜴).
What Kluger and his team did his team did in their first experiment was simple.They put some lizards in a sand-box,one end of which was heated to 44℃,while the other was at a room temperature.It was found that the lizards moved form one part of the box to the other in order to keep a constant temperature of about 38℃.Having shown that normal lizards regulate(调节) their own temperature,Kuger,in a second experiment,then set out to show that lizards,like most other animals,develop fever when infected.This was done by making lizards infected with bacteria (细菌) that were known to cause disease.As the team expected,the infected lizards remained longer in the heated part of the box,until they had raised their body temperatures to two or three degrees above normal.In other words,the sick lizards gave themselves fever.
In a third experiment,the team observed the effect of temperature on the survival of the lizards.One group of infected lizards was given a fever - suppressing(退烧) drug.The other group was given no drug and ran a fever,that is to say,they kept a highter temperature for four or five days before seeking a cooler environment.The results were impressive.Of those which raised their body temperature,all but one remained alive.Of those given the fever - suppressing drug,more than half died.Similar results have since been produced in other animals.For example,infeced fish swim to warmer water,and will die if not allowed to do so.
An important conclusion can be drawn from these experiments.As Kluger points out,lizards have been on earth for hundreds of millions of years.It is reasonable to suppose that a response that is so old has been kept by nature for some purpose.It would appear, therefore, that fever does not make disease worse.Rather it its part of the mechanism(机能) by which infection is controlled.
60.In his experiments,Kluger was hoping to prove that fever ________.
A.is not harmful to lizards
B.is not necessarily bad
C.is necessary for both humans and animals
D.has the same effect on humans and animals
61.The lizards put in the sand - box in the first experiment _____.
A.had a fever B.were not sick C.recovered from disease D.died of heat
62.In the third experiment,the lizards given a fever - suppressing drug died because _____.
A.they had no more fever that they needed
B.they were normal ones and had no fever
C.the drug had no iffect on sick lizards
D.the drug made their body temperature too low
63.How would you understand the underlined words"a response" in the last paragraph?
A.Gause of disease. B.Recovery from disease.
C.Relationship between living D.Natural defense in the body against disease.
阅读下面短文,掌握其大意,然后从各题所给的四个选项中,选出一个最佳答案.
Jungle country is not friendly to man, but is possible to survive there. You must have the right 1 and you must 2 a few important things about the jungle. Then your chances of staying 3 are very good. In the jungle, you should always carry a 4 , Then you can 5 which way to go. Again and again you must alert(警惕)your 6 by it. Keep 7 . 8 the ground in front of you carefully. Stop and listen 9 .
If you lose your 10 , do not be 11 . Mark the 12 where you are with blazes on a tree. Then you can always know where you started.
Finding water that is safe to drink can be a 13 . Many streams and rivers carry germs that can be 14 to man. 15 , the jungle has many kinds of plants and vines that give water.
16 in the jungle is a science. Learn as much as you can about what to 17 in the jungle. Then no part of the jungle will seem completely unfriendly or 18 . 19 , you will be able to“ 20 ”it for a long time.
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People all need friends because nobody wants to be lonely and a friend can help you in good and bad times.You’ve made friends since childhood,but you still don’t know who your true friends are.Here are some signs to tell you if your friend is a true friend:
Always honest
Honesty is important to keep a relationship alive.A true friend always tells you the truth.It may be hard sometimes but lying can destroy a friendship.It is important that your friend speaks honestly and never makes up stories.
________________________
There are always periods in your life when you have problems or difficulties.A true friend will always have time to listen to your problems and give advice.It may not be able to offer a solution to your problems but the fact that your friend made time to listen is a sign he/she cares for you.Your friend is not a true friend if he/she can never make time for you when you are in trouble.You also need to be reasonable and accept that your friend also has other things to do so he/she can’t always listen immediately to your problems.
Always respectful (尊敬的)
A true friend will always respect your opinion no matter whether he/she agrees or not.Your true friend may disagree but never insists that he/she is correct.
Always understanding
It is possible that some problems will arise between you and your friend.A true friend will always be forgiving (体谅的) and understanding,even if it isn’t his/her fault.We are all different people and we all make mistakes.A true friend is always forgiving and understanding because he/she doesn’t want to take the risk of losing his/her best friend.
[语篇解读] 什么样的朋友才是真正的朋友呢?本文给出了答案
1.What’s the best title for the third paragraph?
A.Always there for you.
B.Keep your secrets.
C.Always happy for you.
D.Remember your important days.
2.According to the passage,a true friend will always________.
A.follow your advice
B.offer a solution for your problems
C.listen immediately to your problems
D.respect your opinion even if he/she disagrees with it
3.Which of the following is NOT mentioned in the passage?
A.Never tell lies to friends.
B.Making time for friends.
C.Sharing fun with friends.
D.Paying attention to a friend’s opinions.
4.A true friend will always forgive and understand you because________.
A.he/she wants to help you
B.he/she doesn’t want to lose you
C.he/she wants you to feel confident
D.he/she doesn’t care about your mistakes
5.What’s the author’s purpose in writing this passage?
A.To teach us how to make true friends.
B.To find out how long a friendship can last.
C.To introduce his experience in making friends.
D.To tell us how to find out if a friend is a true friend.
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