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【单选题】
科学技术的发展确实给生活带来了许多方便,但也给我们增加了不少烦恼。最普遍的是,每个现代人头脑中都要记住很多密码:信用卡需要密码,电脑需要密码,电子信箱需要密码,有时候甚至连开门都需要密码。如果谁不小心忘记了这些密码,那麻烦可就大了。给人们带来烦恼的是:
A.
科学技术
B.
电子信箱
C.
工作压力
D.
环境污染
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举一反三
【单选题】Believe it or not, the number of indifferent (漠不关心的) passers-by ______ eighteen, and a large number of people ______ discussing the incident on the net. [ ]
A.
add up to; is
B.
add to; is
C.
adds up to; are
D.
adds to; are
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【单选题】Excel 退出“全屏显示”按( )键。
A.
CapsLK
B.
Delete
C.
Ctrl
D.
Esc
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【简答题】逆变状态时()
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【单选题】逆变状态时( )。
A.
0°
B.
0°
C.
90°
D.
60°
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【单选题】变流器工作于有源逆变状态时
A.
α<90 度
B.
α=90 度
C.
α>90 度
D.
α=60 度
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【单选题】John Smith, a successful businessman, has a ______ car.
A.
large German white
B.
large white German
C.
white large German
D.
German large white
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【简答题】The growth of motorcycle use has been especially large in ______.
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【简答题】The professor has a large (collect) ______ of books.
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【单选题】变流器在逆变状态时,控制角α必须在( )
A.
0°~90°
B.
30°~120°
C.
60°150°
D.
90°~150°
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【单选题】变流器工作在逆变状态时,控制角 α 必须在
A.
0°-90°
B.
30°-120°
C.
60°-150°
D.
90°-150°
查看完整题目与答案
相关题目:
【单选题】Believe it or not, the number of indifferent (漠不关心的) passers-by ______ eighteen, and a large number of people ______ discussing the incident on the net. [ ]
A.
add up to; is
B.
add to; is
C.
adds up to; are
D.
adds to; are
查看完整题目与答案
【单选题】Excel 退出“全屏显示”按( )键。
A.
CapsLK
B.
Delete
C.
Ctrl
D.
Esc
查看完整题目与答案
【简答题】逆变状态时()
查看完整题目与答案
【单选题】逆变状态时( )。
A.
0°
B.
0°
C.
90°
D.
60°
查看完整题目与答案
【单选题】变流器工作于有源逆变状态时
A.
α<90 度
B.
α=90 度
C.
α>90 度
D.
α=60 度
查看完整题目与答案
【单选题】John Smith, a successful businessman, has a ______ car.
A.
large German white
B.
large white German
C.
white large German
D.
German large white
查看完整题目与答案
【简答题】The growth of motorcycle use has been especially large in ______.
查看完整题目与答案
【简答题】The professor has a large (collect) ______ of books.
查看完整题目与答案
【单选题】变流器在逆变状态时,控制角α必须在( )
A.
0°~90°
B.
30°~120°
C.
60°150°
D.
90°~150°
查看完整题目与答案
【单选题】变流器工作在逆变状态时,控制角 α 必须在
A.
0°-90°
B.
30°-120°
C.
60°-150°
D.
90°-150°
查看完整题目与答案