题目内容

长期服用异烟肼的病人应注意适当补充维生素B6。

A. 对
B. 错

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The deer has four __________.

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Her two brothers are both ________.

A. policeman
B. policemmans
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The _______ has two ________.

A. boys, watchs
B. boy, watch
C. boy, watches

The boy often brushes his _______ before he goes to bed.

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B. tooths
C. teeth

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