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【判断题】
在三相桥式整流电路中,采用双窄脉冲触发晶闸管元件时,电源相序还要满足触发电路相序要求能正常工作A.
正确
B.
错误
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【简答题】This horse is very ___1____ (strong), but that horse is much ____2_____ (strong) than this one. It’s so late, so I drive the car ____3_______(slowly) than usual. He went ______4_______(far) than the ...
【单选题】在日本大地震中引发的福岛核电站的核泄漏，已经迅速成为全世界关注的焦点．碘元素是本次核泄漏事件中检测到的主要放射性物质之一．图是碘元素处于元素周期表第Ⅶ主族的局部图，据此判断下列说法中错误的是（ ）
A.
第Ⅶ主族的元素都属于非金属元素
B.
第Ⅶ主族的元素具有相似的化学性质
C.
碘原子核外分层排布着53个电子
D.
1个碘原子的质量约是126.9克
【简答题】In most people’s opinion, there is little doubt that the automobile is the most revolutionary invention in the history of transportation. The basic idea of the automobile is : choose a wheeled v...
【单选题】The little horse is afraid ( ) on the narrow bridge, for it is afraid ( ) into the river. ( )
A.
to walk; to fall
B.
of walking; to fall
C.
to walk; of falling
D.
of walking; of falling
【简答题】上交作业
【简答题】用括号内的形容词或副词填空 1.This horse is very strong, but that horse is much _________ (strong) than this one. 2.It’s so late, so I drive the car ___________(slowly) than usual. 3. He went ______________(far) th...
【单选题】提交作业时,如果作业文件是图片,则采用( 1 )上交,如果作业文件是其他类型文档,则采用( 2 )上交。
A.
（1）（2）都可以采用“附件”方式上交
B.
（1）（2）都可以采用“插图”方式上交
C.
（1）采用“插图”方式，（2）采用“附件”方式
D.
（1）采用“附件”方式，（2）采用“插图”方式
【简答题】上交作业
【简答题】Whose woods these are I think I know, His house is in the village, though; He will not see me stopping here, To watch his woods fill up with snow. My little horse must think it queer, To stop without ...
【单选题】Mr. Lee, a blind man, is _______ to the dog’s fur, so he chooses a little horse as his guide when he goes out.
A.
addicted
B.
allergic
C.
a ccessible
D.
accustomed
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