阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

We had just finished thirteen miles of hiking in the snowy mountains. We were tired and our muscles  21   as we made our way back to New England.

When I heard that two seats in first class on our next flight were   22   for a small upgrade fee, I jumped at the  23  . We agreed to pay the fee to   24   our tickets. Our spirits lifted   immediately. At least we would  25  our adventure in comfort and style.

Our travel has always been arranged on a budget,  26  flying first class was a new   27  for us. As we   28   the plane, we felt as if we were part of an elite(精英)group. We took our seats and were happy to   29   the other few passengers who could fly in such luxury.

As we chatted away about hiking, waterfalls and bears, I could   30  people around us talking about busy schedules and business meetings. It wasn’t long   31  I realized that these people were   32  to flying in luxury. “They are important people,” I thought to myself.

We  33   that the stewardess(空姐) was working nonstop to ensure the comfort of the first class passengers. She could not walk by a seat without receiving an   34  .

As the stewardess walked by our   35 , I looked at her and said, “Thank you and I hope you have a great night.” She stopped at our seats with a look of   36   on her face, bent down, looked at me and said, “Excuse me?” I repeated my words and she smiled in a rather   37   way, almost as if I had asked her a question that she did not know how to answer.

“You are the only passenger here to say thank you or say something   38   to me tonight and I really appreciate your kindness.”

The   39  of belonging to an elite group of people in first class disappeared as we heard her words. Our seats in luxury offered us more than a comfortable ride. We were   40  that, without kindness, we would be flying in no class.

21. A. stretched             B. built   w(w w.ks&5 u.c*o m            C. weakened          D. ached

22. A. believable           B. available           C. active                D. visible

23. A. discount              B. opportunity              C. benefit                  D. convenience

24. A. return                 B. protect                     C. upgrade             D. check

25. A. end                    B. start               C. plan                  D. change

26. A. or                B. and                C. but                   D. so

27. A. challenge            B. load                  C. concern             D. experience

28. A. boarded                     B. left                   C. entered              D. crowded

29. A. have                   B. envy                 C. join                  D. appreciate

30. A. see                         B. hear                  C. find                  D. sound

31. A. after                   B. since                 C. before              D. until

32. A. accustomed         B. ready                C. addicted            D. likely

33. A. felt                         B. noticed              C. guessed             D. stated

34. A. advice                B. blame               C. order                D. warning

35. A. seats               B. plane             C. neighbour          D. class  

36. A. amusement          B. disbelief            C. delight                     D. fright

37. A. funny                 B. curious              C. similar                     D. confusing

38. A. impolite              B. nice                  C. interesting         D. valuable

39. A. fear                    B. willingness        C. refusal       w(w w.ks&5 u.c*o m            D. sense

40. A. persuaded           B. reminded           C. suggested          D. wished

Tom: These days many people are talking about “cloning”

 

David:That's true.It's a really hot(76)t          .   

76.       

Tom: According to a survey on the Internet,the (77)m_______ of

 

people are against human cloning.What's your opinion?    

77.         

David:I think it's OK to clone people.It is good for medicine research

 

and it can help doctors to(78)s        many difficult medical problems. 

78.         

Tom: There's something in what you say.But don't you think that

 

human cloning is immoral?

 

David:(79)M         you are right in some ways,but every coin has

 

two sides.                                         

79.        

       Cloning is also important for the advancement of science.In the

 

long run,it will(80)b        people more benefits.      

80.       

Tom:(81)W        you say, I'm still                          

81.       

(82)t        against human cloning.In my view,it does    

82.   _   

      more harm than good.I think it is a bad thing and may even

 

be dangerous to society.

 

David:Of course you can (83)s____ to your opinion.              

83. __   _

But how wonderful it would be if I had a clone! Then I would have  

 

do my homework for me and…

 

Tom: Stop daydreaming! Cloning is unnecessary.If human cloning were

 

      (84)a        ,then society could become a real mess.And some

84.       

      people may use cloning for bad(85)p        .   

85.       

David:Maybe you're right.Let's wait and see what will happen in the future.

 

After sunset on our last day at the farm I walked out into the desert. In this, the first pleasant moment for a walk after long hot hours, I thought I was the only thing out of doors. Suddenly I stopped. Before me a rattlesnake lay fixed, its head not yet drawn back to strike but only turned a little to watch what I would do. Many snakes will run away at the sight of a man but this rattlesnake felt no necessity to get out of any-body's way. He held his ground in calm watch-fullness waiting for me to show my intentions. My first aim was to take no notice of him; I had never killed an animal if I was not forced to kill. But I remembered that there were children, dogs and horses at the farm as well as men and women with thin clothes on; my duty was to kill the snake. I went back to the farm and returned with a stick. The rattlesnake had not moved; he lay like a wire but more quickly than I could stride he shot into a bush and set up his rattling, warning me by this that I had made an unreasonable attack and attempted to take his life and that if I insisted he would have no choice but to take mine if he could. For a moment I listened to this terrifying sound and then I struck into the bush with my stick and, chop-ping about, dragged him out of the bush with his back broken. w.wHe struck once more at the stick but a moment later his neck was broken and he was soon dead althoughwww..com when I picked him up by the tail his mouth opened, proving that a dead snake may still bite. There was blood in his mouth and poison was dropping; it was not only a dis-gusting(令人作呕的) sight but a pitiful one too. I dropped the body into a green bush and, as I did so, I saw him in my imagination, crawling over the sands as he might have done if I had let him go.

49. At the sight of the author, the rattlesnake        .

A. shot into a bush

B. lay motionless but got ready to meet danger

C. drew itself up to strike

D. took no notice of his presence

50. The author had to kill the rattlesnake because       .

A. it stood in his way

B. it attempted to take his life

C. it presented a disgusting sight

D. its presence was a danger to the people and animals at the farm

51. Which of the following best describes the rattlesnake?

A. It attacked man without any reason.

B. It would not attack unless it was attacked.

C. It ran away at the sight of man.

D. It exposed itself to danger.

52. It is implied at the end of the passage that the author____.

A. regretted having killed the snake

B. was glad that he had killed the snake

C. felt a little sorry for the snake

D. could not help thinking about the dead snake

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