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阅读理解:   

阅读下面短文,从所给四个选项中,选出最佳答案。

 Can trees talk? Yes——but not in words Scientists have reason to believe that trees do communicate (互通信息) with each other Not long ago, resear- chers learned some surprising things First a willow tree(柳树)attacked in the woods by caterpillars(毛毛虫)changed the chemistry of its leaves and made them taste so terrible that the caterpillars got tired of the leaves and stopped eating them Then even more astonishing, the tree sent out a special vapour — a signal causing its neighbours to change the chemistry of their own leaves and make them less tasty

   Communication, of course, doesn't need to be always in words We can talk to each other by smiling, raising our shoulders and moving our hands We know that birds and animals use a whole vocabulary of songs, sounds, and movements Bees dance their signals, flying in certain patterns that tell other bees where to find nectar(花蜜)for honey So why shouldn't trees have ways of sending messages?

1 When attacked, a willow tree will protect itself by________

[  ]

A changing its leaveschemistry

B changing its leavescolour

C talking to caterpillars

D sending a special vapour

2 From the passage we know that catrpillars________

[  ]

A like willow trees

B enjoy eating fallen leaves

C feed on willow tree leaves

D could communicate with willow trees

3 Caterpillars will stop eating willow tree leaves which________

[  ]

A have a chemical change and become tasteless

B have a pleasant taste

C are being attacked

D are communicating

4 According to the passage, how do willow trees communicate with each other?

[  ]

A They talk in words

B They send out a special vapour

C They wave their leaves

D They make special sounds

5 According to the passage, bees communicate with each other by______

[  ]

A talking

B making unusual sounds

C singing songs

D. fly in certain patterns

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阅读理解

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[  ]

     

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阅读理解

  New York , May 25?   Millions of volunteers (志愿者)joined in a long chain spreading 4 125 miles across the world's richest nation Sunday and burst into songs , reaching the highest development in the Hands Across America road to raise 50 million for the nation's homeless and hungry.

  

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[  ]

                          
  

A.try to lift

  

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阅读理解:阅读下列短文, 从所给的四个选项中, 选出最佳答案。 

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[  ]

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[  ]

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阅读理解

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(1)

[  ]

A.

stay

B.

leave

C.

go out

D.

die

(2)

[  ]

A.

earth

B.

moon

C.

star

D.

sun

(3)

[  ]

A.

That is

B.

I am

C.

It is

D.

This is

(4)

[  ]

A.

anything

B.

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C.

something

D.

everything

(5)

[  ]

A.

warmth

B.

sadness

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depression

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anxiety

(6)

[  ]

A.

usual

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normal

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common

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scarce

(7)

[  ]

A.

at midnight

B.

at noon or at night

C.

at sunrise or sunset

D.

during the day

(8)

[  ]

A.

gift

B.

honor

C.

thought

D.

respect

(9)

[  ]

A.

for more

B.

any more

C.

very much

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no longer

(10)

[  ]

A.

turn to

B.

fight for

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struggle with

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bend over

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[  ]

A.

superiority

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disadvantages

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inferiority

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weakness

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[  ]

A.

gently

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violently

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(13)

[  ]

A.

with care

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in fear

C.

by chance

D.

on purpose

(14)

[  ]

A.

amongst

B.

by

C.

for

D.

against

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[  ]

A.

others

B.

themselves

C.

the other

D.

the rest

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[  ]

A.

equal and simple

B.

ordinary and similar

C.

more or less

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unique and different

(17)

[  ]

A.

each other

B.

me

C.

one another

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them

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[  ]

A.

combined

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separated

C.

united

D.

divided

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A.

cleans

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washes

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brightens

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dampens

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[  ]

A.

appreciate

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quarrel with

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ignore

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阅读理解。
     CBC is a famous air company which has over twenty planes carrying passengers and goods, flying
along 12 fixed lines all over the world. Its service is very good but some passengers are still not satisfied
with it and that is why in 1998 and 1999 the company received letters of complaints(投诉) from consumers
or passengers who pointed out over a dozen kinds of problems which are divided in groups in the following
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booked. Tours are problems about the passengers'traveling by air or hotel problems. Advertising is what the
passengers think about advertisement on the plane. Credit problems are about the use of credit cards.   
          ONSUMER COMPLAINTS RECEIVED BY THE CBC   
Category                 1998    1999                                                                                             (percent)  (percent)   
Flight problems…………………………………   20.0%    22.1%   
Baggage …………………………………………  18.3%    21.8%   
Customer service ………………………………   13.1%    11.3%   
Over sales of seats ……………………………… 10.5%    11.8%   
Refund problems ………………………………   10.1%     8.1%   
Fares ……………………………………………   6.4%      6.0%   
Reservations and ticketing ………………………  5.8%      5.6%   
Tours ……………………………………………  3.3%    2.3%   
Smoking …………………………………………  3.2%      2.9%   
Advertising ………………………………………  1.2%    1.1%   
Credit ……………………………………………  1.0%      0.8%   
Special passengers ………………………………  0.9%      0.9%   
Other ……………………………………………   6.2%      5.3%   
Total                     100.%      100.%    
Total Number of Complaints               22,988    13,278 49
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[     ]
A. 133   
B. 220   
C. 230   
D. 1,220
2. By about what percent did the total number of complaints decrease from 1998 to 1999?
[     ]
A. 40%   
B. 60%   
C. 75%   
D. 100%
3. Which of the following statements or sayings can be inferred from the table? 
    I. In 1998 and in 1999, complaints about Flight problems, Baggage, and Customer service together took
        more than 50 percent of all consumer complaints received by the CBC Company.  
    II. The number of Special passenger complaints was unchanged from 1998 to 1999.
    III. From 1998 to 1999 the number of Flight problem complaints increased by more than two percent.
[     ]
A. I only   
B. II only   
C. I and II only   
D. I and III only

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