If my sister had left the car key, _ _ _ _ _ _ _
A.I will pick her up the airport.
B.I would pick her up at the airport.
C.I would have picked her up at the airport.
D.please pick her up the airport.

The economists in the world highly appreciate the economic situation of the U.S _ _ _ _ _ _ _
A.pumping millions of dollars by the president.
B.where is pumped millions of dollars by the president.
C.being pumped millions of dollars by the president.
D.which is pumped millions of dollars by the president.

With the open – door policy, the jobs are increasing more and more and we __ _ _ _.
A.are getting out of poverty
B.are getting away the poverty
C.are getting rid of poverty
D.are getting over poverty

_________(45)
A.some
B.other
C.another
D.main

_________(48)
A.reading
B.speaking
C.listening
D.writing

_________(50)
A.total
B.final
C.whole
D.all

All of the following statements can be inferred from the text EXCEPT
A.We need more and more water.
B.The population of the world is increasing every year.
C.Most of the world’s water is locked in glaciers and icecaps.
D.Factories also need more water

Which of the following is NOT true about the world’s water?
A.The vast majority of the world’s water is ocean (or salty) water.
B.Ocean water is salty enough to be used for drinking, farming, and manufacturing.
C.Most fresh water is locked in glaciers and icecaps.
D.The percentage of fresh water is very small.

What can be inferred about water?
A.The amount of water on earth is always the same.
B.Water will probably be exhausted.
C.Water can be used once only.
D.Most of the water we use is not rain water.

It can be inferred from the text that ______
A.no region in the world suffers from a lack of fresh water.
B.rain does not fall equally everywhere on earth.
C.the world has plenty of fresh water in comparison with salty water.
D.a region that usually gets enough rain hardly ever has a dry spell.