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【简答题】
变频器的组成可分为 [ 填空 1] 电路和 [ 填空 2] 电路。
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参考答案:
举一反三
【判断题】氧化气氛下煤灰的软化温度低于还原性气氛下煤灰的软化温度。
A.
正确
B.
错误
【判断题】氧化气氛下煤灰的软化温度低于还原性气氛下煤灰的软化温度A. √ B. ×
A.
正确
B.
错误
【简答题】A.He already knows how to play. B.He doesn't have a partner. C.He doesn't like to play s. D.He doesn't have enough free time.
【单选题】According to the passage, the 'Yellow Kid' was the first comic strip to do all of the following EXCEPT ______.
A.
feature the same character in each episode
B.
include dialogue inside a balloon
C.
appear in a Chicago newspaper
D.
characterize city life in a humorous way
【简答题】A.He often cuts classes to play basketball. B.He has no chance to play basketball. C.He's looking for somebody to play the with. D.He loves playing basketball very much.
【单选题】Ed learned to play soccer when he was very young. When he was ______, he could play soccer very well.
A.
seven
B.
eleven
C.
fif
【简答题】A.Because he already knows how to play. B.Because he doesnt like to play card s. C.Because he doesnt have a partner. D.Because he doesnt have enough time.
【单选题】民用建筑的主要楼梯一般布置在()
A.
建筑物次要入口附近
B.
主要入口附近位置明显的部位
C.
一定要在房屋的中间部位
D.
一定要在房屋的端部
【单选题】民用建筑的主要楼梯一般布置在( )
A.
建筑物次要入口附近
B.
门厅中位置明显的部位
C.
一定要在房屋的中间部
D.
一定要在房屋的端部
【简答题】A.He is conceited. B.He likes to play practical jokes. C.He hates to do what he dislikes. D.All of the above.
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