听力原文:(A) He is putting on some protective clothes.(B) He is standing near equipment.(C

外语类 听力,原文 已帮助 人

听力原文:(A) He is putting on some protective clothes.

(B) He is standing near equipment.

(C) He is fixing some machinery.

(D) He is turning the machine on.

A.

B.

C.

D.

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