专四
A．more and more fresh water is used by farmers for their crops
B．the amount of fresh water that can be used for crops decreases
C．the earth will become wanner and wanner
D．the ability to use fresh water sources becomes restricted
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A．The world will need 60% more food．
B．The world will need 60% more fresh water．
C．The world's population will increase 17%．
D．Fresh water will be in short supply in many countries．
Which of the following statementsabout Boston Marathon is CORRECT?
A．It is the best known long distance race in the world．
B．It is the biggest Marathon race in the U．S．
C．It was first held 50 years ago．
D．It attracts nearly 5000 official competitors in recent years．
A．He won the first prize．
B．He died because of fatigue．
C．He fell behind the other runners．
D．He gave up because he was fired．
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Write on ANSWER SHEET THREE a note of about 50-60 words base
In some countries young people are encouraged to work or tra
What does the author suggest as the primary factor of formi
What would the author benefit from the habit?
The author would read the words aloud _________．
What was the first new habit that the author would accompli
根据以下资料，回答题：
Dried foods
Nowadays vegetables are most commonly dried
Alkaline solutions are used to