题目内容

为区分起见,两相邻零件的剖面线应方向,而同一零件在各剖视图中,其剖面线的方向应,间隔应。

A. 相反/相反/相同
B. 相反/相同/相同
C. 相同/相反/相同
D. 相同/相反/相反

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销多用于被连接件间的,有时也用来传递的动力。

A. 定位/较大
B. 定位/较小
C. 锁紧/较大
D. 防松/较小

---Excuse me, what’s the time now?---_____

A. It’s Friday.
B. It’s sunny.
C. It’s October 4
D. It’s half past ten.

---Shall we go to the amusement park right away or next weekend?---_____ .Any time will do.

A. Excuse me.
B. Have a good time.
C. I’m afraid I can’t.
D. It’s up to you.

---The radio says it will rain next Saturday.--- _____. We’re going for a picnic that day.

A. I hope it will
B. I’m afraid not
C. I don’t think so
D. I hope not