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【单选题】
__________是游戏的最基本属性。A.
自由
B.
自立
C.
快乐
D.
自愿自主
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举一反三
【单选题】与常规发电技术相比,光伏发电系统有很多优点。下面哪一项不是光伏发电系统的优点() 。
A.
清洁环保，不产生公害
B.
取之不尽、用之不竭
C.
不存在机械磨损、无噪声
D.
维护成本高、管理繁琐
【单选题】Plants in Desert Only special plants can survive in the terrible climate of a desert, for these are regions where the annual range of the soil temperature can be over 75℃. Furthermore, during the summ...
A.
the strong winds
B.
the strong sun's ray
C.
the long summer days
D.
the high soil temperature
【简答题】It was at an exhibition of the artist’s works organized by the Red Cross. I was invited as a special g__1__ to attend the exhibition. During this period, two cute girls of 16 or 17 years old came to m...
【简答题】Chinese lovers are spoiled with more than one occasion to 1.c their
love since we have now two special days for love. Back to the roots of Qixi
festival, the love filled legend. Originated during th...
【简答题】I suspect not everyone who loves the country would be happy living the way we do. It takes a couple of special ( R 1) ____________ . One is a tolerance for solitude. Because we are so busy and on such...
【简答题】电动吸引器吸痰时每次吸引时间不超过 。
【单选题】与常规发电技术相比,光伏发电有很多优点。下面( )不是光伏发电系统的优点
A.
清洁环保，不产生公害
B.
取之不尽、用之不竭
C.
不存在机械磨损、无噪声
D.
维护成本高、管理繁琐
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