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【单选题】
()的特点是只建有低坝,水库容量和调节能力均较小,主要依靠河流的天然流量发电,所以又称径流式水电站。
A.
河床式水电站
B.
坝后式水电站
C.
溢流式水电站
D.
引水式水电站
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【单选题】铁路客运职工职业道德之一爱护行包,做到( )
A.
文明装卸,认真负责
B.
行为端庄,举止文明
C.
主动热情,精心周到
D.
服从命令、执行标准
【简答题】一个口袋内装有形状、大小都相同的2个白球和3个黑球. (1)从中一次随机摸出两个球,求两球恰好颜色不同的概率; (2)从中随机摸出一个球,不放回后再随机摸出一个球,求两球同时是黑球的概率; (3)从中随机摸出一个球,放回后再随机摸出一个球,求两球恰好颜色不同的概率.
【简答题】Age has its special advantage in America. And one of the more impressive of them is the senior citizen discount. Anyone who has reached a certain age—in some cases as low as 55-is automatically entitl...
【单选题】铁路客运职工职业道德之一爱护行包,做到( )。
A.
文明装卸,认真负责
B.
行为端庄,举止文明
C.
主动热情,细心周到
D.
服从命令、执行标准
【简答题】改错:Middle age has its compensations.Middle age has its compensations. Youth is bound hand and foot with the shackles of public opinion. Middle age enjoys .I remember that when i left the school...
【简答题】Like any awards ceremony of its age, the Oscars, now in its 85th year, has been trying hard to change. So how did that go this year? When host Seth MacFarlane noted in his opening speech that it was t...
【简答题】France has kept intimate links with its former African territories. A friendly B.private C.strong D.secret
【单选题】China has been considering raising the retirement age since 2008 to ________ its shrinking workforce and aging society.
A.
set off
B.
put off
C.
bring about
D.
cope with
【简答题】Passage Three Questions 31 to 35 are based on the following passage. Age has its privileges in America. And one of the more prominent of them is the senior citizen discount. Anyone who has reached a c...
【简答题】Ethiopia has greatly reduced its death rates for children under the age of five years during the last two decades, new UN statistics show. The report says Ethiopia has cut the number of child deaths, ...
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