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【简答题】
If you were am architect, would architectural style be the first thing you think about when designing a building? 2. Talk about the main distinctions between the Western architectural styles and the Eastern ones.
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【判断题】植物组织培养实验室A无菌条件要求最严格的区域是无菌接种室。
A.
正确
B.
错误
【单选题】某井用密度1.60g/cm 3 的钻井液钻进到井深3000m处发生溢流,关井立压、套压分别为3MPa和4.5MPa,溢流量2m 3 ,井眼平均直径220mm,6、1/4〞钻铤长120m,其内、外径分别为72mm和158 mm,5〞钻杆内、外径分别为108mm和127mm,用压井排量15L/s循环时的泵压为6MPa,压井液安全密度附加值为0.10g/cm 3 ,压井钻井液量按井筒有效容积2倍考虑,用...
A.
45
B.
47
C.
49
D.
50
【判断题】植物组织培养实验室对无菌条件要求最严格的区域是无菌接种室。
A.
正确
B.
错误
【单选题】He is certainly an _________ lawyer but people say that he lacks a human touch.A.official#
A.
He is certainly an _________ lawyer but people say that he lacks a human touch. A.official
B.
experienced
C.
ordinary
D.
unknown
【单选题】当发生电气火灾时,应立即断开电源,并采用专用的消防器材进行灭火。( )
A.
正确
B.
错误
【判断题】当发生电气火灾时,应立即切断电源,然后进行扑救。
A.
正确
B.
错误
【单选题】某井用密度1.60g/cm 3 的钻井液钻进到井深3000m处发生溢流,关井立压、套压分别为3MPa和4.5MPa,溢流量2m 3 ,井眼平均直径220mm,61/4〞钻铤长120m,其内、外径分别为72mm和158mm,5〞钻杆内、外径分别为108mm和127mm,用压井排量15L/s循环时的泵压为6MPa,压井液安全密度附加值为0.10g/cm 3 ,压井钻井液量按井筒有效容积2倍考虑,用一次...
A.
194
B.
204
C.
214
D.
224
【简答题】当发生电气火灾时,应立即___________,然后进行扑救。
【单选题】. He’s so well-educated that he will certainly be offered a good         .
A.
service
B.
position
C.
business
D.
work
【单选题】采用两组晶闸管装置供电的可逆系统,存在( )问题
A.
断流
B.
漏电
C.
环流
D.
谐波
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