《一千零一夜》的《基督教商人的故事》中，基督教商人因为偷了骑兵的（），所以被砍去了一

我校今年报名参加运动会的人数共有288人，比去年报名参加运动会的人数的2倍少50人，去年报名参加运动会的有多少人？

根据上下文的意思，补全对话。

A: Hi, Li Yan! Have you ever been      1  _  the local library before?

B: You mean the one near the Dragon Tower?

A: That's the one.

B: I go to the English Comer in the library every Saturday. A lot of  English lovers practice 

    spoken English together. Why      2       you join us?

A: Sounds great! Could you tell me how to get there?

B: The No. 7 bus will take you right there.

A: How      3      is it?

B: It's about twenty minutes' ride.

A:      4      is the nearest bus stop?

B: Walk along the street, and take the first turning on the left. It's opposite the post office. 

    You can't       5      it.

A: Thanks a lot.

B: You're welcome.

什么情况下需要做空白试验和对照试验？

指点信标显示的位置是（）.

A.PFD

B.ND

C.指点信标指示灯

D.指点信标控制面板

企业应当设立劳动争议调解委员会。调解委员会由职工代表、企业行政代表、企业工会委员会代表组成。