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【单选题】
看3月4日PPT电路图，9012三极管是什么类型的三极管？
A.
PNP
B.
NPN
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参考答案：
举一反三
【简答题】A．It is well known an over the world. B．It has become the topic of an article. C．It has made the front-page headline of the press. D．It has become the title of a best-seller.
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【单选题】为了保证安全,楼梯梯段上栏杆的高度不得少于( ) mm 。
A.
700
B.
800
C.
900
D.
1000
查看完整题目与答案
【判断题】Hopefully, reading will become a part of their lives: as it has become a part of mine.
A.
正确
B.
错误
查看完整题目与答案
【简答题】A．It is well known all over the world. B．It has become the topic of an article. C．It has made the front-page headline of the press. D．It has become the title of a best-seller.
查看完整题目与答案
【简答题】In consequence, computer handling and storage has become increasingly _________.
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【单选题】Pollution has become a great ______ to our daily life.
A.
threat
B.
threatening
查看完整题目与答案
【单选题】Since 2000, Nanchang has become a new city. Everything _____. [      ]
A.
is changed
B.
was changed
C.
has changed
D.
had changed
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【单选题】取一小块金属钠放在燃烧匙里加热，下列实验现象：描述正确的是（　　） ①金属先熔化  ②在空气中燃烧，放出黄色火花  ③燃烧后得白色固体  ④燃烧时火焰为黄色  ⑤燃烧后生成淡黄色固体物质．
A.
①②
B.
①②③
C.
①④⑤
D.
④⑤
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【多选题】文明社会可以分为下列哪几类?()
A.
原始文明
B.
农业文明
C.
工业文明
D.
生态文明
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【单选题】楼梯梯段栏杆扶手的高度一般不小于多少
A.
1050mm
B.
900mm
C.
600mm
D.
500mm
查看完整题目与答案
相关题目：
【简答题】A．It is well known an over the world. B．It has become the topic of an article. C．It has made the front-page headline of the press. D．It has become the title of a best-seller.
查看完整题目与答案
【单选题】为了保证安全,楼梯梯段上栏杆的高度不得少于( ) mm 。
A.
700
B.
800
C.
900
D.
1000
查看完整题目与答案
【判断题】Hopefully, reading will become a part of their lives: as it has become a part of mine.
A.
正确
B.
错误
查看完整题目与答案
【简答题】A．It is well known all over the world. B．It has become the topic of an article. C．It has made the front-page headline of the press. D．It has become the title of a best-seller.
查看完整题目与答案
【简答题】In consequence, computer handling and storage has become increasingly _________.
查看完整题目与答案
【单选题】Pollution has become a great ______ to our daily life.
A.
threat
B.
threatening
查看完整题目与答案
【单选题】Since 2000, Nanchang has become a new city. Everything _____. [      ]
A.
is changed
B.
was changed
C.
has changed
D.
had changed
查看完整题目与答案
【单选题】取一小块金属钠放在燃烧匙里加热，下列实验现象：描述正确的是（　　） ①金属先熔化  ②在空气中燃烧，放出黄色火花  ③燃烧后得白色固体  ④燃烧时火焰为黄色  ⑤燃烧后生成淡黄色固体物质．
A.
①②
B.
①②③
C.
①④⑤
D.
④⑤
查看完整题目与答案
【多选题】文明社会可以分为下列哪几类?()
A.
原始文明
B.
农业文明
C.
工业文明
D.
生态文明
查看完整题目与答案
【单选题】楼梯梯段栏杆扶手的高度一般不小于多少
A.
1050mm
B.
900mm
C.
600mm
D.
500mm
查看完整题目与答案
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