听力原文:(A) The crew prepares for the event. (B) The technician adjusts the equipment. (C

外语类 听力,原文 已帮助 人

听力原文:(A) The crew prepares for the event.

(B) The technician adjusts the equipment.

(C) The plumber fixes the sink.

(D) The mail carrier sorts the mail.

A.

B.

C.

D.

热搜:可导致听力损伤的药物是