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【单选题】
掏槽眼的作用是（ ）A.
在工作面上将某一部分岩石破碎并抛出，为其他炮眼的爆破创造有临空面，以提高破岩效率
B.
崩落大量岩体
C.
控制开挖轮廓线
D.
方便后续开
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皮皮学刷刷变学霸
举一反三
【简答题】“三网融合”中的“三网”是指互联网、________、广播电视网。
【单选题】听力原文：M: How do Jane and Bill like their new home? W: It's really comfortable, but they're tired of having to hear the jets go over their house at all hours. Q: What is located close to Jane and Bill's...
A.
A bus station.
B.
An airport.
C.
A super highway.
D.
A train station.
【简答题】The Home Rule Bill was finally passed in __________, but the process was overtaken by the ___________ __________ __________.
【单选题】听力原文：M: How do Jane and Bill like their new home? W: It's really comfortable, but they're tired of having to hear the jets go over their house at all hours. Q: What is located close to Jane and Bill's...
A.
An airport.
B.
A bus station.
C.
A super highway.
D.
A train station.
【单选题】图示结构中,AB为刚性梁,1、2两杆的材料相同,长度如图所示,横截面面积分别为A 1 和A 2 。若在载荷P作用下,使AB横梁平行下移,则两杆横截面面积为( )。
A.
2A 1 = A 2
B.
A 1 =2A 2
C.
A 1 = 4A 2
D.
3A 1 = A 2
【单选题】听力原文：W: In Judy's case, why is she discharged? M: Because as a general rule, a bill of exchange must be duly presented for payment. Judy must have failed to observe the very strict rules about it. Q: ...
A.
Because she lost her bill.
B.
Because her bill didn't mature.
C.
Because she forgot the rules.
D.
Because her bill was not duly presented.
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