题目内容

肠杆菌科绝大多数细菌具有的结构是

A. 荚膜
B. 鞭毛
C. 芽孢
D. 异染颗粒
E. 以上均是

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-Why Jane couldn't choose the table near the window?-Because It was reserved () hour ago.

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How do the Chambers care for the otter pups? Choose what you see in the video.

A. They feed them.
B. They watch TV with them.
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F. They sleep beside them at night.
G. They give them baths.
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A. beef
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