专四
A．He invented a concentrated syrup for headache．
B．He invented cola as a soft drink．
C．He transformed cola to a soft drink．
D．He made a lot of money from cola．
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According to the officials, in order to increase the world's food supply, __________
A．food production must be increased
B．fresh water supply must be supervised more carefully
C．the growth of population must be controlled
D．the waste of food and water must be restricted
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
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．
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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