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【单选题】
已知直线的倾斜角为0°,则该直线斜率是
A.
0°
B.
0
C.
1
D.
-1
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参考解析：
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【单选题】In an economy, 42 million people are in the labor force, 38 million are employed, and 47 million are of working age. How many people are not in the labor force?
A.
19 percent
B.
9 million
C.
5 million
D.
4 million
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【判断题】公元前5世纪以后,犹太在民间出现了以先知自居的一批人。
A.
正确
B.
错误
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【判断题】图示化合物【图片】命名为：３-（５-羟基-２,４-二甲氧基苯基）丙醛
A.
正确
B.
错误
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【单选题】当地球转到3月21左右的位置时,地球上将表现为
A.
北半球正是春季，南半球正是秋季
B.
南半球正是春季，北半球正是秋季
C.
南半球与北半球均正值秋季
D.
南半球与北半球均正值春季
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【判断题】屏蔽门系统的供电电源为一类负荷.
A.
正确
B.
错误
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【单选题】Many people are not used to __________ before many people.
A.
speak
B.
speaking
C.
spoken
D.
be spoken
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【单选题】Many people are not aware of ________ new technologies are already being used in the home.
A.
how very much
B.
how many
C.
how much
D.
how many more
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【单选题】Many people are not________the danger of their children's bad habits, which     lead to failing to make their dreams come true.
A.
well aware to
B.
very aware of
C.
aware that
D.
well aware of
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【判断题】图示化合物【图片】命名为：2,3-二甲基-1,3-己二烯
A.
正确
B.
错误
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【简答题】A．The mental disorder is very serious. B．Many people are not as serious as they've been told. C．The symptoms are easy to be defined. D．More and more people are caught by the psychological disorder.
查看完整题目与答案
相关题目：
【单选题】In an economy, 42 million people are in the labor force, 38 million are employed, and 47 million are of working age. How many people are not in the labor force?
A.
19 percent
B.
9 million
C.
5 million
D.
4 million
查看完整题目与答案
【判断题】公元前5世纪以后,犹太在民间出现了以先知自居的一批人。
A.
正确
B.
错误
查看完整题目与答案
【判断题】图示化合物【图片】命名为：３-（５-羟基-２,４-二甲氧基苯基）丙醛
A.
正确
B.
错误
查看完整题目与答案
【单选题】当地球转到3月21左右的位置时,地球上将表现为
A.
北半球正是春季，南半球正是秋季
B.
南半球正是春季，北半球正是秋季
C.
南半球与北半球均正值秋季
D.
南半球与北半球均正值春季
查看完整题目与答案
【判断题】屏蔽门系统的供电电源为一类负荷.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Many people are not used to __________ before many people.
A.
speak
B.
speaking
C.
spoken
D.
be spoken
查看完整题目与答案
【单选题】Many people are not aware of ________ new technologies are already being used in the home.
A.
how very much
B.
how many
C.
how much
D.
how many more
查看完整题目与答案
【单选题】Many people are not________the danger of their children's bad habits, which     lead to failing to make their dreams come true.
A.
well aware to
B.
very aware of
C.
aware that
D.
well aware of
查看完整题目与答案
【判断题】图示化合物【图片】命名为：2,3-二甲基-1,3-己二烯
A.
正确
B.
错误
查看完整题目与答案
【简答题】A．The mental disorder is very serious. B．Many people are not as serious as they've been told. C．The symptoms are easy to be defined. D．More and more people are caught by the psychological disorder.
查看完整题目与答案