问题
多项选择题
高处作业，基本上分为（）。
A、临边作业
B、洞口作业
C、交叉作业
D、悬空作业
答案
参考答案：A, B, D
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高处作业，基本上分为（）。
A、临边作业
B、洞口作业
C、交叉作业
D、悬空作业
参考答案：A, B, D
| 完形填空 | ||||
| Manners（礼貌）are important to happy relations（关系）among people. No one 1 a person with bad manners. A 2 with good manners never laughs at people when they are in trouble. Instead, he 3 to help them. When he asks for something, he says " 4 . "And when he receives something, he 5 says "Thank you". He does not interrupt（打扰） 6 people when they are talking. He does not talk loudly or laugh loudly 7 public. When he sneezes or spits（吐痰）, he uses a 8 . If he is late, he 9 make an apology（道歉）to the teacher either at the time 10 after class. | ||||
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