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【单选题】
电阻性负载单相半波可控整流电路中, 晶闸管的触发延迟角的范围是()A.
30°~150°
B.
0°~120°
C.
15°~120°
D.
0°~180°
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举一反三
【单选题】The brave soldier would prefer to _____ rather than ______ and in the end the enemy had to kill him.
A.
dying, giving in
B.
die, to give in
C.
dying, to giving in
D.
die, give in
【简答题】试比较线粒体的氧化磷酸化与叶绿体的光合磷酸化的异同点。
【单选题】《个人贷款管理暂行办法》中所称“个人贷款”是指贷款人向符合条件的自然人发放的用于（）用途的本外币贷款。
A.
流动资金、资产投资
B.
资产投资、个人消费
C.
技术改造、产品升级
D.
个人消费、生产经营
【单选题】After five days' fighting, the enemy had to admit . [ ]
A.
defeat
B.
debate
C.
success
D.
decade
【简答题】扫描电子显微镜(SEM)的衬度像包括( )和背散射电子像。其中,背散射电子像既可以用来显示( ),也可以用来显示成分衬度。在成分衬度中,平均原子序数较大的区域将产生( )的背散射电子信号,在背散射电子像上显示出较亮的衬度。
【判断题】The underlined part in the following sentence is not an auxiliary: The enemy had to give up finally.
A.
正确
B.
错误
【单选题】The war lasted several years. ____ the enemy had to surrender.
A.
On end
B.
In end
C.
In the end
D.
At the end
【单选题】The enemy had to______after heavy losses.
A.
restrain
B.
register
C.
retreat
D.
regulate
【简答题】请问如何理解《个人贷款管理暂行办法》中所称“贷款人受托支付”的概念？
【单选题】Under our vigorous offensive, the enemy had to give _____. [ ]
A.
away
B.
way
C.
off
D.
out
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