B Besides providing an ideal environmentfor sea plants and animals to live in,seawater has other values,one of which is that it constantly moves,and its movements produce energy. The most obvious movements are waves and the tides.Winds causes the waves,and the gravational pull of the moon and the son causes tides.In places like the Bay of Fundy in Canada,the difference between the high and low tide level can be as much as 40 feet. France and Britain are now trying to use energy in the tides to produce electricity.Waves can produce electricity and some experiments are taking place to learn more about this.One of the most encouraging areas of research uses the difference between the temperature of seawater at the surface and deep down to produce electricity. 6.One of the values of seawater is that . A.it has no plants in it B.it pulls the sun and the moon C.it flows all the time D.it feeds all the time 7.Waves and tides are caused by . A.the same forces B.different forces C.their own movements D.plants and animals 8.According to the passage,which of the following is not true? A.The temperature difference of seawater can produce electricity. B.The energy in the tides can produce electricity. C.Waves can produce electricity. D.The plants and animals in the ocean can produce electricity. 9.It is being tried in to use energy in the tides to produce electricity. A.many countries in the world ada C.some developed countries D.the United Nations 10.The best title for the passage is A.Tides and Waves B.How to Produce Electricity C.Seawater D.Another Cheap Energy 查看更多

 

题目列表(包括答案和解析)

For many years, doctors have been studying the way the brain __1__. We all know that the brain has two sides, the left and right. That right side controls the __2__ and the left side controls our logical thinking. We call the left side the “education” side of the brain __3__ generally, in western countries, people have __4__ this side of the brain more than the right side.

Scientists __5__ that our brain will work much more efficiently if both the right and the left side are developed __6__. In many schools today, teachers try to educate children in such a way that both sides of the brain are __7__. This can be done with logical subjects __8__ maths and science as well as with creative subjects such as art. Albert Einstein, the great scientist, did some of his best work when he was very old. He was interested not only in his work, but also in creative and imaginative __9__. It was because of his many different interests in life that he was able to __10__ the full development of both sides of his brain.

A. works

B. thinks

C. improves

D. develops

A. smell

B. taste

C. sight

D. senses

A. but

B. and

C. until

D. if

A. studied

B. improved

C. developed

D. liked

A. believe

B. doubt

C. understand

D. hope

A. equally

B. specially

C. immediately

D. really

A. worked

B. used

C. taught

D. thought

A. including

B. besides

C. except

D. contained

A. efforts

B. plans

C. activities

D. ideas

A. follow

B. reach

C. watch

D. prevent

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All the students were studying in class     Tom;he was playing football on the playground.

A.except          B.besides

C.except for        D.except on

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The Abominable Snowman 喜马拉雅雪人

He has been called the “missing link.” Half-man, half-beast. He is supposed to live in the highest mountain in the world-Mount Everest.

He is known as the Abominable Snowman. The   1   of the Snowman has been around for    __2  . Climbers in the 1920s reported finding marks like those of human feet high up on the side of Mound Everest. The native people said they   3   this creature and called it the “Yeti,”and they said that they had   4   caught Yetis on two occasions   5   none has ever been produced an evidence(证据).

Over the years, the story of the Yetis has   6   . In 1951, Eric Shipton took photographs of a set of tracks in the snow of Everest. Shipton believed that they were not   7   the tracks of a monkey or bear and   8   that the Abominable Snowman might really   9  .

Further efforts have been made to find out about Yetis. But the only things people have ever found were   10   footprints. Most believe the footprints are nothing more than   11   animal tracks, which had been made   12    as the melted(融化)and refroze in the snow.   13  , in 1964, a Russian scientist said that the Abominable Snowman was   14   and was a remaining link with the prehistoric humans. But,   15  . no evidence has ever   16   been produced.

These days, only a few people continue to take the story of the Abominable Snowman   __17  . But if they ever   18   catching one, they may face a real   19  : Would they put it in a   20   or give it a room in a hotel?

A. event       B. story   C. adventure   D. description

A. centuries  B. too long     C. some time  D. many years

A. heard from     B. cared for    C. knew of     D. read about

A. even B. hardly C. certainly     D. probably

A. as    B. though       C. when  D. until

A. developed       B. changed     C. occurred     D. continued

A. entirely   B. naturally    C. clearly       D. simply

A. found      B. declared     C. felt     D. doubled

A. exist B. escape C. disappear    D. return

A. clearer   B. more   C. possible      D. rare

A. huge      B. recent C. ordinary     D. frightening

A. strange  B. large   C. deep   D. rough

A. In the end     B. Therefore   C. After all     D. However

A. imagined      B. real     C. special       D. familiar

A. so  B. besides       C. again  D. instead

A. rightly   B. actually      C. normally    D. particularly

A. lightly   B. jokingly     C. seriously    D. properly

A. succeed in     B. insist on     C. depend on  D. join in

A. decision B. situation     C. subject       D. problem

A. zoo             B. mountain                 C. museum           D. laboratory

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第二节完形填空(共20小题;每小题2分,满分40分)
Most people in school liked Gloria. So when she got sick,some boys 21 to visit her. But none of them wanted to 22 any money on a gift to bring along.
Then Willie said,“We can 23 some flowers from a 24. ”
Gloria will not know 25 they come from,and the dead man will not 26them.
Everybody was afraid,27 Willie.So he went alone and 28 some beautiful flowers.Then they went to Gloria’s 29,and the boys acted as if the flowers were from all of them,but 30 did not mind.
After their visit,Willie 31  the other boys,“It is a good thing that I was not afraid. Gloria 32  the flowers. ”
The other boys laughed. Gloria would not have liked the 33  if she had known they had come from a grave(坟墓).
That night,Willie was reading a book 34  his mother came into his room.“Willie,did you and other boys buy some flowers today 35  Gloria?”she asked.“There’s a man 36  asking for you,”she added. “He says that you didn’t 37    the flowers. ”
“What does he look 38 ?”Willie asked.
“That’s hard to say,”Willie’s mother answered. “He is all 39  with mud. ”
Willie,all of a sudden,turned 40 .
21. A. thought               B. asked         C. planned             D. took
22. A. keep                B. cost           C. take             D. spend
23. A. steal                B. make      C. buy               D. plant
24. A. shop                B. store        C. street            D. grave
25. A. how                 B. where       C. when                  D. why
26. A. miss                 B. lose         C. hate               D. love
27. A. beside        B. besides     C. including        D. except
28. A. saw                  B. thought           C. looked into        D. found
29. A. room                B. hospital    C. school               D. library
30. A. Gloria        B. some        C. Willie             D. nobody
31. A. ordered            B. asked       C. said to            D. explained
32. A. refused             B. liked        C. hated             D. missed
33. A. boys          B. flowers     C. secret             D. news
34. A. as             B. when        C. while             D. suddenly
35. A. to             B. for                C. on                 D. with
36. A. inside        B. outside     C. still               D. also
37. A. ask for       B. water       C. like               D. pay for
38. A. as             B. about       C. like                   D. for
39. A. painted        B. dressed     C. wrapped         D. covered
40. A. sad            B. red                C. pale              D. glad 

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These two countries are similar ____ they both have a high snowfall during winter.

       A. to that        B. besides that      C. in that       D. except that

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