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【单选题】
S7-200 SMART PLC系列的SR40,40表示( )。
A.
以上都不对
B.
40个I O点
C.
40个输入点
D.
40个输出点
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举一反三
【多选题】关于函数 ,下列说法正确的是( )
A.
除了z=i和z=-i两点之外，f(z)处处连续。
B.
除了z=i和z=-i两点之外，f(z)处处可导。
C.
除了z=i和z=-i两点之外，f(z)处处解析。
D.
在可导点处， 。
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【判断题】“全进全出”制度都能保证禽群不发任何传染病。
A.
正确
B.
错误
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【单选题】---Has Tom finished his composition yet? ---I have no idea, he _____ it this morning.
A.
would write
B.
has written
C.
wrote
D.
was writing
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【判断题】图中表示右手按紧机器,左手拉启动绳
A.
正确
B.
错误
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【单选题】Tom finished his work on time. _____.
A.
Mary finished it too.
B.
So Mary did.
C.
So did Mary.
D.
Mary did so.
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【单选题】Hardly __________ his speech when a young woman in the audience rose to make a protest. A) Tom finished  B) does Tom finishc) Tom had finished  D) had Tom finished
A.
Tom finished
B.
does Tom finish
C.
Tom had finished
D.
had Tom finished
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【单选题】Tom, one of my students, had his term paper ______ as soon as he finished ______ it.
A.
to be typed, to write
B.
being typed, writing
C.
typed, to write
D.
typed, writing
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【单选题】Tom finished his homework __________.
A.
ahead of
B.
in advance
C.
in advance of
D.
advance
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【多选题】以下对珍珠的特征描述正确的有( )
A.
球形、卵圆形、长圆形或棒状
B.
表面具特有的彩色光泽
C.
破碎面可见同心层纹
D.
无臭,味咸
E.
珠光层可被丙酮洗脱
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【单选题】基于 海德平衡理论,企业请明星做广告的利弊说法不正确的是
A.
明星作广告不及卡通人物作广告，因为后者不易出现负面新闻
B.
可以藉由消费者对明星的正面情感迁移至产品的情感上
C.
明星的负面形象也会影响产品的负面形象
D.
明星同时代言多个广告，将不利于消费者对产品的有效联想
查看完整题目与答案
相关题目：
【多选题】关于函数 ,下列说法正确的是( )
A.
除了z=i和z=-i两点之外，f(z)处处连续。
B.
除了z=i和z=-i两点之外，f(z)处处可导。
C.
除了z=i和z=-i两点之外，f(z)处处解析。
D.
在可导点处， 。
查看完整题目与答案
【判断题】“全进全出”制度都能保证禽群不发任何传染病。
A.
正确
B.
错误
查看完整题目与答案
【单选题】---Has Tom finished his composition yet? ---I have no idea, he _____ it this morning.
A.
would write
B.
has written
C.
wrote
D.
was writing
查看完整题目与答案
【判断题】图中表示右手按紧机器,左手拉启动绳
A.
正确
B.
错误
查看完整题目与答案
【单选题】Tom finished his work on time. _____.
A.
Mary finished it too.
B.
So Mary did.
C.
So did Mary.
D.
Mary did so.
查看完整题目与答案
【单选题】Hardly __________ his speech when a young woman in the audience rose to make a protest. A) Tom finished  B) does Tom finishc) Tom had finished  D) had Tom finished
A.
Tom finished
B.
does Tom finish
C.
Tom had finished
D.
had Tom finished
查看完整题目与答案
【单选题】Tom, one of my students, had his term paper ______ as soon as he finished ______ it.
A.
to be typed, to write
B.
being typed, writing
C.
typed, to write
D.
typed, writing
查看完整题目与答案
【单选题】Tom finished his homework __________.
A.
ahead of
B.
in advance
C.
in advance of
D.
advance
查看完整题目与答案
【多选题】以下对珍珠的特征描述正确的有( )
A.
球形、卵圆形、长圆形或棒状
B.
表面具特有的彩色光泽
C.
破碎面可见同心层纹
D.
无臭,味咸
E.
珠光层可被丙酮洗脱
查看完整题目与答案
【单选题】基于 海德平衡理论,企业请明星做广告的利弊说法不正确的是
A.
明星作广告不及卡通人物作广告，因为后者不易出现负面新闻
B.
可以藉由消费者对明星的正面情感迁移至产品的情感上
C.
明星的负面形象也会影响产品的负面形象
D.
明星同时代言多个广告，将不利于消费者对产品的有效联想
查看完整题目与答案