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【单选题】
1952年,中国社会的经济成分即生产关系发生了重要变化,表述错误的是( )。
A.
国营经济成分上升
B.
私营经济成分下降
C.
社会主义的成分一天天增加,国营经济领导地位一天一天加强
D.
民族资本主义经济仍占主导地位
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【判断题】油缸连续往返动作 20次后,活塞杆两端油膜不成滴。
A.
正确
B.
错误
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【单选题】听力原文：W: Oh, I wish we had taken the lift. M: Cheer up. It's already on the 8th floor. W: But I am really tired out. M: Just think it's helpful for our health. W: Possibly, but if I know it was so far ...
A.
It's helpful.
B.
It's interesting.
C.
She regretted her suggestion.
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【多选题】下面关于HTML表单中的控件标签的说法中哪些是正确的?
A.
提交按钮用 定义，并将其type属性定义为submit。
B.
文件域允许用户从本地文件系统选择一个文件
C.
多行文本框用 标签定义
D.
标签用于定义下拉列表框
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【简答题】Fashion refers to the kinds of clothing that are in a desirable style at a particular time. At different times in history, fashionable dress has taken very different forms. In modern times nearly ever...
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【多选题】If she __the bus,she would have arrived on time.
A.
第一条件句
B.
第三条件句
C.
take
D.
had taken
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【单选题】City streets are..
A.
crowded
B.
different
C.
quiet
D.
small
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【简答题】An old woman went suddenly blind. She promised a doctor a lot of money if he could make her see again. “ If you fail, you will get nothing. ” she said. The doctor agreed. The doctor soon discovered wh...
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【单选题】一台转子齿数为40的三相步进电机,若采用三相单双六拍的通电方式工作,则该电机的步矩角是( )。
A.
1.5°
B.
15°
C.
3°
D.
7.5°
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【单选题】桂枝治胸痹疼痛是因为
A.
温通经络
B.
温经散寒
C.
温经通阳
D.
温通血脉
E.
行气化痰
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【单选题】一台三相步进电机,若采用三相单双六拍的通电方式工作,并且保证其步矩角为1.5°,则该电机转子的齿数应是( )。
A.
20
B.
40
C.
15
D.
30
查看完整题目与答案
相关题目：
【判断题】油缸连续往返动作 20次后,活塞杆两端油膜不成滴。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W: Oh, I wish we had taken the lift. M: Cheer up. It's already on the 8th floor. W: But I am really tired out. M: Just think it's helpful for our health. W: Possibly, but if I know it was so far ...
A.
It's helpful.
B.
It's interesting.
C.
She regretted her suggestion.
查看完整题目与答案
【多选题】下面关于HTML表单中的控件标签的说法中哪些是正确的?
A.
提交按钮用 定义，并将其type属性定义为submit。
B.
文件域允许用户从本地文件系统选择一个文件
C.
多行文本框用 标签定义
D.
标签用于定义下拉列表框
查看完整题目与答案
【简答题】Fashion refers to the kinds of clothing that are in a desirable style at a particular time. At different times in history, fashionable dress has taken very different forms. In modern times nearly ever...
查看完整题目与答案
【多选题】If she __the bus,she would have arrived on time.
A.
第一条件句
B.
第三条件句
C.
take
D.
had taken
查看完整题目与答案
【单选题】City streets are..
A.
crowded
B.
different
C.
quiet
D.
small
查看完整题目与答案
【简答题】An old woman went suddenly blind. She promised a doctor a lot of money if he could make her see again. “ If you fail, you will get nothing. ” she said. The doctor agreed. The doctor soon discovered wh...
查看完整题目与答案
【单选题】一台转子齿数为40的三相步进电机,若采用三相单双六拍的通电方式工作,则该电机的步矩角是( )。
A.
1.5°
B.
15°
C.
3°
D.
7.5°
查看完整题目与答案
【单选题】桂枝治胸痹疼痛是因为
A.
温通经络
B.
温经散寒
C.
温经通阳
D.
温通血脉
E.
行气化痰
查看完整题目与答案
【单选题】一台三相步进电机,若采用三相单双六拍的通电方式工作,并且保证其步矩角为1.5°,则该电机转子的齿数应是( )。
A.
20
B.
40
C.
15
D.
30
查看完整题目与答案