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问题
单项选择题
舞台吊杆的吊距不大于()。
A、3m
B、5m
C、7m
答案
参考答案:B
选择题
— Hi, there! Table for two? OK. ______?
— Yes, it should be under Smith.
A. Can I have your name, please
B. Do you have a reservation
C. Would you like something to drink
D. Would you please take a seat
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问答题
如图所示的电路未画完整,请你在图中的①②的缺口处选择开关与灯泡的符号填上,并把③处的三孔插座连接好.
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