题目内容

【C7】

A. So
B. Even
C. Then
D. But

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【C2】

A. ingredient
B. incident
C. indication
D. impression

火灾探测器的基本功能是什么?

_______ are used to protect your hea

A. Helmets
B. Safety goggles
C. Safety boots

【C11】

A. stimulated
B. accommodated
C. encouraged
D. tolerated

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