题目内容

The function of sleep is to decrease animal's vulnerability.

A. Right
B. Wrong
C. Not mentioned

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All the aquatic mammals sleep a lot.

A. Right
B. Wrong
C. Not mentioned

会计法律制度要求的是“必须”，评价范畴是“是”和“否”；会计职业道德要求的是“应该”，评价范畴是“对”和“错”。()

A. 正确
B. 错误

Cats and dogs often have dreamless sleep.

A. Right
B. Wrong
C. Not mentioned

The word" colonies" refers to ______。

A. tiny globules
B. watery regions
C. bacteria communities
D. little compartments