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【判断题】
调洪库容与库容不结合这种方法适用于在水库控制流域面积较小，洪水出现的时期和洪水的大小无规律的情况，此时调洪库容和库容分别设置，汛期防洪限制水位位于水库正常蓄水位上，预留全部调洪库容以拦蓄随时可能出现的洪水。A.
正确
B.
错误
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举一反三
【单选题】The sentence “he talked the Red Cross into giving him a job” implies that the Red Cross _____.
A.
was only glad to give him a job
B.
gave him a job because he was a good soldier
C.
gave him a job after he talked to someone whom he knew in the organization
D.
was not willing to give him a job at first
【单选题】An artist who was recently travelling on a ferry to the southern island discovered _________ a long lost antique Greek vase.
A.
at random
B.
by chance
C.
in turn
D.
on occasion
【简答题】如果我们能有竞争力地——也就是以低廉的价格——把海水净化成淡水,这将有利于人类的长期利益,这一成就将使其他所有科学成就都显得渺小。
【简答题】可吃的,可食用的
【单选题】The antique vase grandpa bought at the flea market yesterday was a forgery.
A.
man-made
B.
natural
C.
crude
D.
real
【简答题】A few days ago, my sister Liz and I talked about Dad, and we decided to get him a little something for Father's Day. We talked about the times when we were up and how Mom and Dad used to play the ‘goo...
【简答题】某万用表的直流电压档有三个,即 10V , 100V 和 250V ,如下图所示,试计算分压电阻 R2 、 R3 、 R4 。(其中 Ic=0.6mA,Rc=280 Ω)
【简答题】食堂有2吨大米，每天吃1/4吨，可吃（ ）天；如果每天吃它的 1 4 ，可吃（ ）天． A．8 B．6 C．4 D．2
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