(单选题) Which of the following is true? (本题4.0分) A、 If things are very very small, they are germs. B、 If things can’t be seen, they must be germs. C、 Germs are only in dirty water. D、 Germs are everywhere around us.

(单选题) Which of the following is true? (本题4.0分)

A、 If things are very very small, they are germs.
B、 If things can’t be seen, they must be germs.
C、 Germs are only in dirty water.
D、 Germs are everywhere around us.

出自：河南财经政法大学SQLServer

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