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【单选题】
在变频调速系统中调频时调节定子电源的 ( ) ,在这种情况下,机械特性平行移动,转差功率不变。
A.
电抗
B.
电流
C.
电压
D.
转矩
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参考答案:
举一反三
【单选题】听力原文:In foreign exchange transactions, a forward purchase is an undertaking to buy a particular amount of foreign currency for delivery and settlement of a future date. (7)
A.
A forward transaction is done on a future date.
B.
A forward purchase is to buy foreign currency in future.
C.
A forward purchase is to buy a foreign currency with settlement on a future date.
D.
A forward transaction is to buy a foreign currency on future date.
【单选题】听力原文:The bank's foreign exchange department has to keep constant track of the positions in the various currencies. (7)
A.
The bank's foreign exchange department has to record the positions in the various currencies.
B.
The hank's foreign exchange department has to record the positions in the various currencies.
C.
The bank's foreign branches department has to record the various foreign currency liabilities.
D.
The bank's foreign branches department has to record the positions in the various currencies.
【单选题】子曰:“朝闻道,夕死可矣。”(《论语·里仁篇第四》)其中所谓“道”是指()
A.
天道
B.
地道
C.
人道
D.
事物当然之理
【单选题】下列哪项不属于新课程理念的发展趋势?
A.
课程目标多元化
B.
课程内容综合化
C.
课程评价单一化
D.
课程实施互动化
【多选题】做讲文明、有礼仪的人,就是要做()
A.
文明礼仪知识的学习者
B.
文明礼仪知识的传播者
C.
文明礼仪活动的实践者
【判断题】分散性相同的聚合物,分子量也相同
A.
正确
B.
错误
【判断题】分散性相同的聚合物,分子量也相同
A.
正确
B.
错误
【多选题】旅游观光本身是一项文明而高尚的活动,所以旅游业要讲究一些礼仪,一个文明的旅游观光者要做到( )。
A.
爱护旅游观光地区的公共财物
B.
尽量保持旅游观光地区的环境卫生和静谧气氛
C.
旅游观光中注意礼让、谦让
D.
控制好说话声音的音量
【单选题】“迎讲树”活动的全称是()
A.
迎奥运、讲文明、树新风
B.
迎奥运、讲礼仪、树新风
【判断题】分散性相同的聚合物,分子量也相同。
A.
正确
B.
错误
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