问题
选择题
在一个n边形中,除了一个内角外,其余(n-1)个内角和为2750°,则这个内角是[ ]
A.140°
B.105°
C.120°
D.130°
答案
答案:D
在一个n边形中,除了一个内角外,其余(n-1)个内角和为2750°,则这个内角是[ ]
A.140°
B.105°
C.120°
D.130°
答案:D
根据对话内容,从对话后的选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑。选项中有两项为多余选项。(共5小题;每小题2分,满分10分) W: Bobby, turn that TV off and set the table. Dinner is almost ready. M: OK. I’ll be right down… W: 1 Your father’s plane was delayed, so he won’t be home until after 10:00. M: Aw, man! Why does he always have to travel so much? 2 W: I know. Your sister and I feel the same way, but this is the way it has to be right now. M: 3 W: That’s because I work from home. 4 Your father is gone a lot, but he also makes good money. M: Why doesn’t he work from home? W: 5 If he stayed at home, how would he ever sell anything?
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