更多"A. if we can drive yield up B. w"的相关试题:
[填空题]A. if we can drive yield up
B. when Mexico, China and India join in the project
C. if we want to fight against malnutrition and poverty
D. when we use modern technologies and develop new ones
E. when the developed world help the developing world
F. when strategic research can be utilized worldwide
Land can be saved for other purposes ______.
[填空题]
When can we do running？
We can do it at （）.
[单项选择]When can the man pick up his overcoat
A. Nine o’clock today
B. Tomorrow afternoon
C. Sunday morning
[填空题]
When can we listen to the National Orchestra of France playing Beethoven’ s fifth symphony
[单项选择]
M: Professor, when can we meet to discuss my grade
W: Would 3 o’clock be OK
What does the woman mean（ ）.
A. She can meet the student in the afternoon.
B. She has a meeting at three.
C. She thinks it will be all right to discuss the grade.
[填空题]When can the cyclists pick up a map of Saturday’s tour
Before they（）this evening.
[单项选择]We ______ play on the town square when we were children.
A. are used to
B. were used to
C. used to D. use to
[单项选择]What do American parents usually do when their child injuries himself
A. They take the children to hospital at once.
B. They call family doctors.
C. They give them a cup of water.
D. They kiss the child’s injury.
[单项选择]When we woke up, everywhere was（ ）snow.
A. covered
B. covered in
C. covered with
D. covering
[单项选择]When we can see well, we don’t think about our eyes very’ often. It is only when we cannot see perfectly that we come to see how important our eyes ale.
People who are nearsighted can only see things that are very close to their eyes. Many people who do a lot of close work, such as writing, reading and sewing, become nearsighted. Then they have to wear glasses in order to see distant things clearly.
People who are farsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty reading a book unless they hold it at arm’s length. If they want to do much reading, they must get glasses too.
Other people don’t see clearly because their eyes are not exactly the right shape. This, too, can be corrected by glasses. Some people’s eyes become cloudy because of cataracts (白内障). Long age these people often became blind. Now, however, it is possible to operate on the cataracts and remove them.
When night falls, colors become fain
A. must lead to blindness
B. can not be treated by operations
C. can be cured
D. can change the color of eyes
