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【简答题】
Java 源程序文件的扩展名是什么 ? 字节码文件的扩展名呢 ?
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举一反三
【单选题】锅炉燃烧器中一次风量太大的主要危害是()
A.
产生大量炭黑
B.
过剩空气太多
C.
点火困难,火焰不稳
D.
炉膛温度降低
【判断题】固体废物从海关特殊监管区域和场所进口到境内区外或者在海关特殊监管区域和场所之间进出的,无须办理固体废物进口相关许可证()
A.
正确
B.
错误
【单选题】以下不属于内部信号装置的是( )
A.
转向指示灯
B.
充电指示灯
C.
顶灯
D.
油压报警灯
【简答题】Father’s Day has a very short history. It was started because there was a Mother’s Day. And just because some Americans thought that if we had a Mother’s Day, we should also have a Father’s Day. Fathe...
【简答题】Father’s Day is the third Sunday in June. It is a day to thank fathers. On that day, fathers usually receive greeting gifts and cards. On the cards, children will write, “Thanks, father.” “Best wishes...
【判断题】叶绿素a分子一般都具有将光能转变为电能的作用。
A.
正确
B.
错误
【单选题】CO是什么味?
A.
酸味
B.
无味
C.
烂苹果味
D.
臭鸡蛋味
【单选题】锅炉燃烧器中一次风量太大的主要危害是()
A.
产生大量碳黑
B.
过剩空气太多
C.
点火困难,火焰不稳
D.
炉膛温度降低
【单选题】不属于制动信号传输装置的是( )
A.
中央装置
B.
总风管
C.
车辆终端装置
D.
以上都是
【单选题】The girl s father is in hospital, so she has to______him day and night.
A.
deal with
B.
attend to
C.
look into
D.
part with
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