[单项选择]Light goes three quarters of the way from the earth to the moon in one second．


A. 光一秒钟以后能走完25%的距离，从地球到月球。
B. 光在一秒钟内可以完成地球到月球距离的四分之三。
C. 光一秒可以走过地球至月球距离的四分之三。
D. 光一秒钟可以通过地球到月球距离的四分之三。

[单项选择]Light goes three quarters of the way from the earth to the moon in one second（）
A. 光一秒钟以后能走完25%的距离，从地球到月球。
B. 光在一秒钟内可以完成地球到月球距离的四分之三。
C. 光一秒可以走过地球至月球距离的四分之三。
D. 光一秒钟可以通过地球到月球距离的四分之三。

[单项选择]A man who goes from door to door selling things has to be ________ if he wants to succeed.


A. abundant
B. aggressive
C. ambitious
D. arbitrary

[单项选择]A body weighs _______ from the surface of the Earth.


A. less than it, the farther it gets
B. less the farther it gets
C. the farther it gets, the less
D. less than it gets farther

[单项选择]From the way she speaks to the man, the woman seems______


A. to be in a hurry to leave
B. to be curious about him
C. to be happy to assist him
D. to be unfamiliar with the town

[单项选择]From the way they talked I ______ them to be married.
A. consume
B. assume
C. resume
D. presume

[单项选择]From the way you are talking I can only ______ the conclusion that you are not the slightest bit interested in the project.


A. draw
B. arrive
C. come
D. take

[单项选择]From the way you are talking I Can only ______ the conclusion that you are not the slightest bit interested in the project.
A. draw
B. arrive
C. come
D. take

[单项选择]

C
These are useful to man in three important ways: They provide him with wood and other products; They give him shade and they help to prevent drought (干旱) and floods. Unfortunately, in many parts of the world, in his eagerness to draw quick benefit from the tree, man has cut down a large number of trees. Even where a government realizes the importance of plentiful supply of trees, it is difficult for it to persuade the villagers to see this. So unless the government has a great system of control, or can educate the people, the forests slowly disappear.
The resaults are more serious: for where there are trees their roots break the soil allowing the rain to sink and also hold the soil, thus preventing it from being washed away easily, but where there are no trees, the soil becomes hard and poor.
The rain falls on hard ground and flows away on the surface, causing floods, and carry away with it the rich top soil in which crops grow so well. When all t
A. where there are no trees, the soil becomes hard and poor
B. where there are many trees, there are fewer floods
C. where there are no trees, the land might become desert slowly
D. floods will make the land become desert