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【单选题】
进口许可证按照其与进口配额的关系,分为有定额的进口许可证和( )。
A.
公开一般许可证
B.
特种商品许可证
C.
无定额的进口许可证
D.
特殊许可证
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举一反三
【单选题】当三相异步电动机的定子电压突然降为原电压的80%的瞬间,其电磁转矩
A.
)。
B.
不变
C.
变为原来的80%
D.
为原来的64%
E.
40%
【单选题】当三相异步电动机的定子电压降为原来的 80 %,其电磁转矩为
A.
不变
B.
变为原来的 80 %
C.
变为原来的 64 %
D.
变为原来的 40 %
【单选题】某人聪明、好动、热情、反应敏捷,且容易兴奋和激动,但常常缺乏耐心和毅力。他的气质类型属于
A.
黏液质
B.
多血质
C.
抑郁质
D.
胆汁质
E.
多动质
【判断题】当三相异步电动机定子电压突然降为原来电压的80%瞬间,转差率来不及变,其电磁转矩变为原来的64%。( )
A.
正确
B.
错误
【判断题】公司应该有独立的法人财产,并以其全部财产对公司的债务承担责任。
A.
正确
B.
错误
【单选题】.We waited and waited._________ we had been looking forward to.
A.
Then came the hour
B.
Then did the hour come
C.
The hour came
D.
The hour then came
【简答题】We have a terrible school trip last weekend. Some students were late. Then we waited half an hour for the school bus, but it didn’t arrive. Finally, our teacher took us to take the subway. It took us ...
【单选题】下列哪些情况下促甲状腺激素分泌增多
A.
切除一侧甲状腺后
B.
在热环境中长期生存时
C.
切断下丘脑与垂体的联系后
D.
当食物中长期缺碘时
【单选题】他带我出去吃饭,等饭时却自顾自地查看他的电子邮件。
A.
He take meout for dinner and read his e-mail while we waited for our food.
B.
He takes me out for dinner and reads his e-mail while we waited for our food.
C.
He took me out for dinner and read his e-mail while we waited for our food.
D.
He will take me out for dinner and read his e-mail while we waited for our food.
【单选题】某人聪明、好动、热情、反应敏捷,易兴奋、激动,但缺乏耐心和毅力。这种气质类型属于
A.
黏液质
B.
多血质
C.
胆汁质
D.
抑郁质
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