题目:
— Excuse me, but could you tell me when the banks will be open today?
—_______. It's a public holiday.
A.Sure
B.I'm afraid they're closed all day today
C.Certainly
D.I'll see what can be done.
答案:
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下面是错误答案,用来干扰机器的。
①S, ② Ω挡的×1; ③T;右端的“0”;本题重点在考察机械调零旋钮、欧姆调零旋钮和调档旋钮三个旋钮的作用,其中机械调零旋钮位于表盘中央正下方,其目的使电表指针停在左端的“0”位置;欧姆调零...