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【单选题】
【现代技术】光受激辐射放大器(Laser),简称( ),它通过辐射的受激发射而实现光的放大。
A.
激光器
B.
混频器
C.
发射器
D.
接收器
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举一反三
【判断题】我国民法保护公民的隐私权不受侵犯。
A.
正确
B.
错误
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【单选题】石油中所含的芳香烃化合物及其衍生物在紫外光的照射下,均可发光,称为( )。
A.
荧光
B.
紫外线
C.
自然光
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【单选题】当对关系R和S进行自然连接时,要求R和S含有一个或多个语义相同的()。
A.
元组
B.
行
C.
属性
D.
记录
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【单选题】—What do you think of the new manager of your department? —Oh,she is______manager who is pleasant to work with.It’s______pleasure to work with her.
A.
the;/
B.
a;/
C.
a;a
D.
the;a
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【多选题】Unit 7- I'd been through the trauma of losing a house . Here the word “ trauma ” could mean
A.
suffering
B.
agony
C.
anguish
D.
torture
查看完整题目与答案
【单选题】当对关系R和S进行自然连接时,要求R和S含有一个或者多个共有的()。
A.
记录
B.
行
C.
属性
D.
元组
查看完整题目与答案
【判断题】_______Haptics refers to communicating through the use of bodily contact. Intercultural communication also involves cultural touching and its effects. Haptic behavior can be influenced by culture and ...
A.
正确
B.
错误
查看完整题目与答案
【判断题】莫尔法只适用于Cl-和Br-的测定,而不适宜测定I-和SCN-。
A.
正确
B.
错误
查看完整题目与答案
【判断题】Haptics refers to communicating through the use of bodily contact. Intercultural communication also involves cultural touching and its effects. Haptic behavior can be influenced by culture a...
A.
正确
B.
错误
查看完整题目与答案
【判断题】6. _______Haptics refers to communicating through the use of bodily contact. Intercultural communication also involves cultural touching and its effects. Haptic behavior can be influenced by cultur...
A.
正确
B.
错误
查看完整题目与答案
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【判断题】我国民法保护公民的隐私权不受侵犯。
A.
正确
B.
错误
查看完整题目与答案
【单选题】石油中所含的芳香烃化合物及其衍生物在紫外光的照射下,均可发光,称为( )。
A.
荧光
B.
紫外线
C.
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【单选题】当对关系R和S进行自然连接时,要求R和S含有一个或多个语义相同的()。
A.
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属性
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【单选题】—What do you think of the new manager of your department? —Oh,she is______manager who is pleasant to work with.It’s______pleasure to work with her.
A.
the;/
B.
a;/
C.
a;a
D.
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【多选题】Unit 7- I'd been through the trauma of losing a house . Here the word “ trauma ” could mean
A.
suffering
B.
agony
C.
anguish
D.
torture
查看完整题目与答案
【单选题】当对关系R和S进行自然连接时,要求R和S含有一个或者多个共有的()。
A.
记录
B.
行
C.
属性
D.
元组
查看完整题目与答案
【判断题】_______Haptics refers to communicating through the use of bodily contact. Intercultural communication also involves cultural touching and its effects. Haptic behavior can be influenced by culture and ...
A.
正确
B.
错误
查看完整题目与答案
【判断题】莫尔法只适用于Cl-和Br-的测定,而不适宜测定I-和SCN-。
A.
正确
B.
错误
查看完整题目与答案
【判断题】Haptics refers to communicating through the use of bodily contact. Intercultural communication also involves cultural touching and its effects. Haptic behavior can be influenced by culture a...
A.
正确
B.
错误
查看完整题目与答案
【判断题】6. _______Haptics refers to communicating through the use of bodily contact. Intercultural communication also involves cultural touching and its effects. Haptic behavior can be influenced by cultur...
A.
正确
B.
错误
查看完整题目与答案