Hubble helps Owen save dogs on the Earth.
A. Right.
B. Wrong.
C. Doesn't say.
Why does the text say that people do not drink enough？
A. Because they don't drink after taking exercises.
Because they don't like drinking water.
C. Because they drink only when they are thirsty.
Why is water so important？
A. Because people don't drink much water.
Because humans are all made of water.
C. Because without enough water, we will be sick.
Who make the art works in the art exhibition？
Americans.
B. Chinese who live in China.
Chinese who live in America.
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