单项选择题

When water is heated, it（）.

A．expands
B．becomes cloudy
C．will burn
D．shrinks

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热门试题

单项选择题

ft seems the author of this passage hopes （）.

A．population growth slows down
B．large companies donate more money to research
C．the supply of fresh water increases
D．scientists can find a way to solve the food problem

单项选择题

Which of the following states a fact about grades at Village High School（）

A．They are not useful.
B．They foster unnecessary competition.
C．They should be optional.
D．They are currently in us