No one has ______there is life on the moon.A.found B.found o
4个回答

◆look for 意为“寻找”,强调找的动作,是延续性动词.

eg:I’m looking for my pen.

◆find 意为“找到、发现、感到”,强调找的结果,是非延续性动词.

eg:He can’t find his watch.

eg:I find it difficult to learn English well.

◆find out 意为“查明、发现、了解”,指经过认真观察、调查或研究把某事、某物查出来、搞清楚,多用于复杂而不容易直接查出的情况.

eg:Please find out the answer to the question.

eg:Do you find out why Tom was late?

◆discover 意为“发现、发觉”,指发现某种情况或发现早已存在而未为人知的东西.

eg:Scientists around the world are working to discover a cure for AIDS.

综上所述,选C.没有人发现过月球上存在生命.

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