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【单选题】
四个电阻器的额定电压和额定功率分别如下:电阻器的电阻最大是
A.
220V 、 40W
B.
220V 、 100W
C.
36V 、 100W
D.
110V 、 100W
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参考答案:
举一反三
【单选题】47
A.
This mountain rises l,532 feetmaking it the highest mountain on the Atlantic seaboard.
B.
It is split almost inhalf by Somes Sound, a deep and narrow stretch of water, seven miles long.
C.
The wealthy residents of Mt. Deserts Island selfishly kept itto themselves.
D.
Mt. Desert island is one of the most famous ofall the islands left behind by the glacier.
E.
The term comes from theactivity of the ice age.
F.
It also lies in a major bird migration lane and is a resting spot for manybirds
【单选题】Where are they cleaning now?
A.
Reading room.
B.
Living room.
C.
Meeting room.
【简答题】The dog was smelling a ball of wool in the living room.
【单选题】— Is there a TV in your bed room? — _______. But there is a big TV in the living room. [     ]
A.
Yes, there is
B.
Yes, it is
C.
No, there isn't
D.
No, it isn't
【单选题】表达载体中起始基因转录的元件是( )
A.
增强子
B.
启动子
C.
终止子
D.
沉默子
【简答题】Mountain Everest, the peak where is hardly seen, is the highest mountain in the world.
【单选题】48
A.
This mountain rises l,532 feetmaking it the highest mountain on the Atlantic seaboard.
B.
It is split almost inhalf by Somes Sound, a deep and narrow stretch of water, seven miles long.
C.
The wealthy residents of Mt. Deserts Island selfishly kept itto themselves.
D.
Mt. Desert island is one of the most famous ofall the islands left behind by the glacier.
E.
The term comes from theactivity of the ice age.
F.
It also lies in a major bird migration lane and is a resting spot for manybirds
【单选题】What is the highest mountain in Britain?
A.
Scafell
B.
Ben Nevis
C.
the Cotsworlds
D.
the Forth
【单选题】50
A.
This mountain rises l,532 feetmaking it the highest mountain on the Atlantic seaboard.
B.
It is split almost inhalf by Somes Sound, a deep and narrow stretch of water, seven miles long.
C.
The wealthy residents of Mt. Deserts Island selfishly kept itto themselves.
D.
Mt. Desert island is one of the most famous ofall the islands left behind by the glacier.
E.
The term comes from theactivity of the ice age.
F.
It also lies in a major bird migration lane and is a resting spot for manybirds
【单选题】People choose to build Astronomy on Manna Kea because it's the highest mountain among the world's islands.
A.
Y
B.
N
C.
NG
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