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【单选题】
. We’re too busy _____ a long vacation this summer, ______ the fact that we can’t afford it.A.
taking; not mentioning
B.
to take; not to mention
C.
for; not mention
D.
with taking; without mentioning
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【单选题】在工程建设其他费用构成中，按我国现行规定，预备费包括（ ）。
A.
基本预备费和涨价预备费
B.
基本预备费和施工预备费
C.
基本预备费和施工图预备费
D.
价差预备费和施工预备费
【简答题】__________ 是硬件系统的基础部件,为其他设备提供接口。
【简答题】A．Nuclear power stations are not safe. B．It's too expensive to utilize nuclear power. C．The country has already a sufficient supply of electricity. D．Other sources of energy are more readily available...
【单选题】___ underground are connected to power stations.
A.
Power stations
B.
Cables
C.
Electric wire
D.
Light bulb
【单选题】--- Could I have some sort of social life now,dad? - No, you have reached the age of eighteen.
A.
till when
B.
not until
C.
till then
D.
until when
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