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【单选题】
不能改变交流异步电动机转速。
A.
改变定子绕组的磁极对数
B.
改变供电电网的电压
C.
改变供电电网的频率
D.
改变电动机的转差率
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参考答案：
举一反三
【单选题】听力原文：M: Has John come back from Europe? W: Yes, but he was only in America for three days before his company sent him to Canada. Where is John now?
A.
In Canada.
B.
In China.
C.
In Europe.
D.
In America.
查看完整题目与答案
【单选题】X: He has been to France. Y: He has been to Europe. The relationship of X and Y is ______.
A.
X entailing Y
B.
synonymous
C.
inconsistent
D.
X presupposing Y
查看完整题目与答案
【单选题】He ______ Europe three years ago.
A.
go to
B.
goes to
C.
has gone to
D.
went to
查看完整题目与答案
【单选题】搅拌全蛋蛋糕面糊时，面粉加入后不要用力搅拌，以防面糊 (    ) ，影响制品松软度。 A ．起发 B ．柔软 C ．膨发 D ．起筋
A.
起发
B.
柔软
C.
膨发
D.
起筋
查看完整题目与答案
【多选题】银行代发工资的业务类型包括（ ）
A.
单笔代发
B.
批量代发
C.
逐笔代发
D.
打包代发
查看完整题目与答案
【单选题】—Has your father returned from Europe yet? —Yes, but he ______ here for only three days before his company sent him to America.
A.
was
B.
has been
C.
will be
D.
would be
查看完整题目与答案
【单选题】出口某种产品既可能成功也可能失败,这种风险按性质来分属于( )
A.
纯风险
B.
投机风险
C.
汇率风险
D.
市场风险
查看完整题目与答案
【单选题】搅拌全蛋蛋糕面糊时,面粉加入后不要用力搅拌,以防面糊(),影响制品松软度
A.
起发
B.
柔软
C.
膨发
D.
起筋
查看完整题目与答案
【判断题】搅拌全蛋蛋糕面糊时,面粉加入后不要用力搅拌,以防面糊“起筋”影响制品松软度
A.
正确
B.
错误
查看完整题目与答案
【单选题】He to Europe three years ago.
A.
has gone
B.
has been
C.
went
D.
is going
查看完整题目与答案
相关题目：
【单选题】听力原文：M: Has John come back from Europe? W: Yes, but he was only in America for three days before his company sent him to Canada. Where is John now?
A.
In Canada.
B.
In China.
C.
In Europe.
D.
In America.
查看完整题目与答案
【单选题】X: He has been to France. Y: He has been to Europe. The relationship of X and Y is ______.
A.
X entailing Y
B.
synonymous
C.
inconsistent
D.
X presupposing Y
查看完整题目与答案
【单选题】He ______ Europe three years ago.
A.
go to
B.
goes to
C.
has gone to
D.
went to
查看完整题目与答案
【单选题】搅拌全蛋蛋糕面糊时，面粉加入后不要用力搅拌，以防面糊 (    ) ，影响制品松软度。 A ．起发 B ．柔软 C ．膨发 D ．起筋
A.
起发
B.
柔软
C.
膨发
D.
起筋
查看完整题目与答案
【多选题】银行代发工资的业务类型包括（ ）
A.
单笔代发
B.
批量代发
C.
逐笔代发
D.
打包代发
查看完整题目与答案
【单选题】—Has your father returned from Europe yet? —Yes, but he ______ here for only three days before his company sent him to America.
A.
was
B.
has been
C.
will be
D.
would be
查看完整题目与答案
【单选题】出口某种产品既可能成功也可能失败,这种风险按性质来分属于( )
A.
纯风险
B.
投机风险
C.
汇率风险
D.
市场风险
查看完整题目与答案
【单选题】搅拌全蛋蛋糕面糊时,面粉加入后不要用力搅拌,以防面糊(),影响制品松软度
A.
起发
B.
柔软
C.
膨发
D.
起筋
查看完整题目与答案
【判断题】搅拌全蛋蛋糕面糊时,面粉加入后不要用力搅拌,以防面糊“起筋”影响制品松软度
A.
正确
B.
错误
查看完整题目与答案
【单选题】He to Europe three years ago.
A.
has gone
B.
has been
C.
went
D.
is going
查看完整题目与答案
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