问题
单项选择题
精车外圆时宜选用________刃倾角。
A.正
B.负
C.零
答案
参考答案：A
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精车外圆时宜选用________刃倾角。
A.正
B.负
C.零
参考答案：A
| 补全对话。 | |
| Reporter: Hi, I'm doing a survey for the Bedford Daily News. 1 ______ Boy: I guess Jammin' 107 FM is the best. Reporter: Why? Boy: 2 ______ It's much better than the other stations in town. Reporter: What about the other radio stations? Boy: Well, I think Oldies 102.1 FM is very bad. 3 ______ Reporter: I heard that. 4 ______ Boy: Not for me. Reporter: Why not? Boy: 5 ______ They're worse than the commercials of All Talk 970 AM!
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