题目内容

听对话,判断正(T)误(F)。对话读两遍。
(     ) 1. Scientists have discovered water on Mars.
(     ) 2. They are looking for life on Mars.
(     ) 3. So far there's only life on earth.
(     ) 4. They know them on TV.
(     ) 5. The scientists are wrong.
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