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【单选题】
在书店的"销售"表中,定义了:书号,作者,出版社,价格等属性,其主键应是( )。
A.
书号
B.
作者
C.
出版社
D.
书号 + 作者
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【判断题】判断 (2 分 ) 演绎的逻辑是从观察出发,由经验上升到理论的过程。
A.
正确
B.
错误
查看完整题目与答案
【判断题】演绎的逻辑是从观察出发,由经验上升到理论的过程。
A.
正确
B.
错误
查看完整题目与答案
【单选题】While Sally was in Paris, she ______ a lot of French.
A.
got about
B.
took in
C.
put away
D.
picked up
查看完整题目与答案
【单选题】Charles Dickens took the French Revolution as the background of the novel ( ).
A.
A Tale of Two Cities
B.
Great Expectations
C.
Hard Times
D.
David Copperfield
查看完整题目与答案
【单选题】Kathy ______ some French while she was away on a business trip in France.
A.
picked up
B.
took up
C.
made up
D.
turned up
查看完整题目与答案
【单选题】What a fast learner he was! He_____ a lot of French when he lived with the native.
A.
took up
B.
made up
C.
picked up
D.
turned up
查看完整题目与答案
【单选题】What a surprise ! Mary took to learning French like a (an) _________ .
A.
ugly duck
B.
duck to water
C.
lame duck
D.
Donald duck
查看完整题目与答案
【判断题】WTO 要求各成员方实行国民待遇原则,就是说每一个 WTO 协定都规定必须无条件、毫无保留、全面地实行国民待遇。
A.
正确
B.
错误
查看完整题目与答案
【多选题】下面关于本工程图纸的说法正确的是 。
A.
是按照中心投影法绘制的
B.
是多面正投影图
C.
是单面正投影图
D.
图纸上标注的尺寸是实际尺寸，与比例无关
查看完整题目与答案
【单选题】Peter took advantage________ his visit to Paris to improve his French.
A.
on
B.
at
C.
with
D.
of
查看完整题目与答案
相关题目：
【判断题】判断 (2 分 ) 演绎的逻辑是从观察出发,由经验上升到理论的过程。
A.
正确
B.
错误
查看完整题目与答案
【判断题】演绎的逻辑是从观察出发,由经验上升到理论的过程。
A.
正确
B.
错误
查看完整题目与答案
【单选题】While Sally was in Paris, she ______ a lot of French.
A.
got about
B.
took in
C.
put away
D.
picked up
查看完整题目与答案
【单选题】Charles Dickens took the French Revolution as the background of the novel ( ).
A.
A Tale of Two Cities
B.
Great Expectations
C.
Hard Times
D.
David Copperfield
查看完整题目与答案
【单选题】Kathy ______ some French while she was away on a business trip in France.
A.
picked up
B.
took up
C.
made up
D.
turned up
查看完整题目与答案
【单选题】What a fast learner he was! He_____ a lot of French when he lived with the native.
A.
took up
B.
made up
C.
picked up
D.
turned up
查看完整题目与答案
【单选题】What a surprise ! Mary took to learning French like a (an) _________ .
A.
ugly duck
B.
duck to water
C.
lame duck
D.
Donald duck
查看完整题目与答案
【判断题】WTO 要求各成员方实行国民待遇原则,就是说每一个 WTO 协定都规定必须无条件、毫无保留、全面地实行国民待遇。
A.
正确
B.
错误
查看完整题目与答案
【多选题】下面关于本工程图纸的说法正确的是 。
A.
是按照中心投影法绘制的
B.
是多面正投影图
C.
是单面正投影图
D.
图纸上标注的尺寸是实际尺寸，与比例无关
查看完整题目与答案
【单选题】Peter took advantage________ his visit to Paris to improve his French.
A.
on
B.
at
C.
with
D.
of
查看完整题目与答案