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【简答题】
读短文,回答问题。 Peter went to the library yesterday. He got up early and went to the library after breakfast. Usually Peter goes to the library by bus and that day he had a new idea. He went on his new bike. In the library he saw some new science books and he really wanted to read them all but he couldn't. He could only have three books at a time. He took the books and walked out of the library. He went to his bike but he couldn't open it with his key. What was wrong? He looked at the key and then looked at the bike. Oh, no. It wasn't his. His bike was next to it on the right! 1. How does Peter usually go to the library? ______________________________________________________ 2. How did Peter go to the library that day? ______________________________________________________ 3. What did Peter see in the library? ______________________________________________________ 4. Why he couldn't open the bike? ______________________________________________________
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【单选题】下列哪一项不属于多旋翼无人机的特点:
A.
原地回转
B.
航时较长
C.
垂直升降
【简答题】火线上通过的电流称为()电流,负载上通过的电流称为()电流。当对称三相负载作Y接时,数量上Il ()Ip;当对称三相负载Δ接,Il () Ip。
【单选题】在光辐射入射到光电材料上时,下面不属于光电效应的是()
A.
材料的电导率发生变化
B.
产生感应电动势
C.
产生材料晶格的热运动
D.
光电材料发射电子
【多选题】尿的生成过程包括下列那几项( )
A.
肾小球的滤过
B.
肾小管和集合管的重吸收
C.
肾小管和集合管的分泌
D.
集合管对尿的浓缩和稀释
E.
膀胱和尿道的储存和排放
【判断题】地西泮可直接激动GABAA受体,使氯离子内流增加,从而引起中枢抑制
A.
正确
B.
错误
【简答题】当对称三相负载作Y接时,数量上Il ()Ip;当对称三相负载Δ接,Il ( )Ip。
【多选题】(2015年)下列各项中,关于留存收益的表述正确的有( )。
A.
留存收益包括盈余公积和未分配利润
B.
法定盈余公积经批准可用于转增资本
C.
任意盈余公积可用于发放现金股利
D.
“未分配利润”明细科目年末借方余额表示累积的亏损额
【简答题】光辐射入射到光电材料上时,光电材料发射电子,或者其电导率发生变化,或者产生感生电动势的现象称为____。
【多选题】(2015年)下列各项中,关于留存收益的表述正确的有( )。
A.
法定盈余公积经批准可用于转增资本
B.
“未分配利润”明细科目年末借方余额表示累计的亏损额
C.
留存收益包括盈余公积和未分配利润
D.
任意盈余公积可用于发放现金股利
【多选题】(2015年)下列各项中,关于留存收益的表述正确的有( )。
A.
法定盈余公积经批准可用于转增资本
B.
“未分配利润”明细科目年末借方余额表示累积的亏损额
C.
留存收益包括盈余公积和未分配利润
D.
任意盈余公积可用于发放现金股利
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