________ on earth has happened?


  1. A.
    How
  2. B.
    What
  3. C.
    Why
  4. D.
    Where
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目:高中英語 來源:浙江省09-10學(xué)年高一下學(xué)期期中測(cè)試英語 題型:單詞拼寫

單詞拼寫(每小題0.5分,滿分5分)

87.After the accident with the sled, I s      to my knees knowing that somehow I had to put my tent up for shelter.

88.Drivers are supposed to f      their seat –belts while driving on the highway.

89.There were so much beautiful j      that it was hard to choose.

90.Everybody admires him for his fine s       of humour(幽默).

91.Earth Day is a celebration of life and our planet. It r      us to care about the world and learn to respect life and nature.

92.It’s time for us to make a d      where we should go to have a picnic on Sunday.

93.In some countries, children will go on egg h       during Easter.

94.Many people today make choices about their eating habits b      on what they believe.

95.She said she never r      spending ten hard years paying off the debts.

96.In West Africa, people celebrate a new harvest with days of dancing and

o      fruit to their ancestors and gods.

 

查看答案和解析>>

科目:高中英語 來源:2010年上海市高三下學(xué)期第一次模擬考試(英語含答案) 題型:其他題

Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.

 

A.recently

B.forming

C.locate

D.primitive E. fascinated

F. evidence     G. volcanic      H. chemicals    I. created      J. closely

         Since early times, people have been ___41___with the idea of life existing somewhere else besides earth. Until recently, scientists believe that life on other planets was just a hopeful dream. But now they are beginning to___42____places where life could form. In 1997, they saw ____43____of planets near other stars like the sun. But scientists now think that life could be even nearer in our own solar system. One place scientists are studying very closely is Europa, a moon of Jupiter. Space probes(探測(cè)器) have provided evidence that Europa has a large ocean under its surface. The probes have also made scientists think that under its surface Europa has a rocky core(核心) giving off____44____heat. Water and heat from volcanic activity are two basic conditions needed for life to form. A third is certain basic____45____such as carbon, oxygen and nitrogen. Scientists believe there might be such chemicals lying at the bottom of Europa’s ocean. They may have already____46____life or may be about to. You may wonder if light is also needed for life to form. Until____47____, scientists thought that light was essential. But now, places have been found on earth that are in total blackness such as caves several miles beneath the surface. And bacteria,___48____ forms of life, have been seen there. So the lack of light in Europa’s sub-surface ocean doesn’t automatically rule out life____49____.

 

查看答案和解析>>

科目:高中英語 來源:期中題 題型:填空題

單詞拼寫
1. He was _________ (徘徊) around the pyramid, wondering how on earth this wonder was built.
2. He gave his son some money for the             (購買)of his school books.
3. They'll be here soon.            (在此期間), let's have coffee.
4. The government has threatened to get        (強(qiáng)硬的)with people who try to avoid paying taxes.
5. The young actress is very            (謙虛的)about her success; she says it's as much the result of good
luck as of her own talent.
6. The passage is about Jobs' love letter to his wife written on their 20th wedding a         .
7. We received warm reception by our h           host family in Korea.
8. We cannot g     the punctual arrival of trains to the passengers in foggy weather.
9. I'd like to take this o           to thank my colleagues for their support.
10. Many companies are s________ from a lack of skilled staff.

查看答案和解析>>

科目:高中英語 來源: 題型:

單詞拼寫(每小題0.5分,滿分5分)

87.After the accident with the sled, I s      to my knees knowing that somehow I had to put my tent up for shelter.

88.Drivers are supposed to f      their seat –belts while driving on the highway.

89.There were so much beautiful j      that it was hard to choose.

90.Everybody admires him for his fine s        of humour(幽默).

91.Earth Day is a celebration of life and our planet. It r      us to care about the world and learn to respect life and nature.

92.It’s time for us to make a d      where we should go to have a picnic on Sunday.

93.In some countries, children will go on egg h        during Easter.

94.Many people today make choices about their eating habits b      on what they believe.

95.She said she never r      spending ten hard years paying off the debts.

96.In West Africa, people celebrate a new harvest with days of dancing and

o       fruit to their ancestors and gods.

查看答案和解析>>

科目:高中英語 來源: 題型:閱讀理解

Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.

 A. recently      B. forming     C. locate       D. primitive     E. fascinated

 F. evidence     G. volcanic      H. chemicals    I. created      J. closely

          Since early times, people have been ___41___with the idea of life existing somewhere else besides earth. Until recently, scientists believe that life on other planets was just a hopeful dream. But now they are beginning to___42____places where life could form. In 1997, they saw ____43____of planets near other stars like the sun. But scientists now think that life could be even nearer in our own solar system. One place scientists are studying very closely is Europa, a moon of Jupiter. Space probes(探測(cè)器) have provided evidence that Europa has a large ocean under its surface. The probes have also made scientists think that under its surface Europa has a rocky core(核心) giving off____44____heat. Water and heat from volcanic activity are two basic conditions needed for life to form. A third is certain basic____45____such as carbon, oxygen and nitrogen. Scientists believe there might be such chemicals lying at the bottom of Europa’s ocean. They may have already____46____life or may be about to. You may wonder if light is also needed for life to form. Until____47____, scientists thought that light was essential. But now, places have been found on earth that are in total blackness such as caves several miles beneath the surface. And bacteria,___48____ forms of life, have been seen there. So the lack of light in Europa’s sub-surface ocean doesn’t automatically rule out life____49____.

查看答案和解析>>

同步練習(xí)冊(cè)答案