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【简答题】
当电路中电流I=Us/R0、端电压 U = 0 时,此种状态称作 ,这种情况下电源产生的功率全部消耗在 上。
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【单选题】They are sweating all over. They ______ in the field.
A.
may be
B.
must have been working
C.
could be
D.
must having been working
【单选题】—Could you tell me the way to the Summer Palace? —______.
A.
All right
B.
Certainly
C.
Yes,l could
【单选题】在托幼建筑设计中，下列哪项要求与规范不符?( )
A.
外廊栏杆高度不应小于1.2m，也不应采用易攀登的花格
B.
楼梯除设成人扶手外，靠墙一侧应设幼儿扶手，高度不应大于0.6m
C.
走道高差变化处必须设置台阶时，踏步不应少于2步，也不得设扇形踏步
D.
幼儿经常出入的门不应设置弹簧门
【简答题】偶数羽状复叶
【多选题】地基是指基础底面以下，荷载作用影响范围内的部分岩石或土体。它不是建筑物的组成部分。 其中，直接承受基础荷载的岩土体称为 ，持力层以下的岩土体称为 。
A.
持力层
B.
下卧层
【单选题】听力原文： Russia and France are calling on Iran to stop all uranium enrichment. The two countries issued their statement during a visit to Moscow by French Foreign Minister Dominique de Villepin. Iran res...
A.
Production of fuel for nuclear reactors.
B.
Small-scale uranium enrichment.
C.
Completion of nuclear weapons.
D.
Maintenance of atomic weapons.
【单选题】People all over the world know Wimbledon as the centre of lawn tennis. In 1874 it was a country village, but it was the home of the All England Croquet Club. The Club had been there since 1864. A lot ...
A.
a country village
B.
the home of an unusual croquet club
C.
the centre of lawn tennis
D.
a famous place of interest near London
【单选题】When one is having a cold, he may often have all the following symptoms EXCEPT______.
A.
coughing
B.
having a sore throat
C.
having a runny nose
D.
having a stomachache
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