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【单选题】
民用建筑构造中的楼板层的设计要求不包括( )。A.
满足建筑经济的要求
B.
满足坚固耐磨、不起尘、平整的要求
C.
满足隔声、防火、热工等方面的要求
D.
楼板具有足够的承载力和刚度
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举一反三
【简答题】某发电隧洞长 L =980m , 横断面面积 f =24m 2 , v =3.3m/s , 引水道水头损失 h w0 =1.36m ~ 3.48m ,压力水管水头损失 h wm0 =2.3m ~ 3.1m ,引水道在最小糙率时 а =0.248 , 水库正常蓄水位为 428m ,死水位为 3.0m ,相应的下游水位分别为 312m 和 286m ,试确定无连接管简单调压室的稳定断面面积。
【单选题】--_____ with you? --I have a score throat.
A.
What’s matter
B.
What’s the wrong
C.
What’s wrong
D.
What’s trouble
【单选题】Which of the following statements is NOT true about the Commission to Assess The Ballistic Missile Threat to the United States?______
A.
It came into being in 1997
B.
It is made up of policy-makers, technologists and senior military officials
C.
Its members can get the highly classified information
D.
Its chairman Donald Rumsfield now is also the secretary of defense
【简答题】计算 ,设 ,式中 方向依参数增加的方向.
【单选题】What is the text about?
A.
What is a tree ring.
B.
What can a tree ring do.
C.
How to study a tree ring.
【简答题】请列举出至少3种临床常用的非甾体类药物口服药
【单选题】WASHINGTON, D.C.—The threat of ballistic missiles from countries such as Iran and North Korea could materialize with little warning, a Congressional panel of defense experts reported today. That concl...
A.
the U.S. will not be attacked by missile in the near future
B.
other countries may attack the U.S. with missile right after they declare war
C.
the U.S. may haw a sudden missile attack
D.
the U.S. will never be attacked by missile
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