题目

据报道,目前我国移动电话已超过4.5亿部,居全球首位。移动电话所用的电源大多为锂离子电池,简称锂电池。中国科健股份有限公司生产的B-6380M标准型3.6 V锂电池上标有“900 mA.h(提示:能在900 mA电流下工作1小时)”的字样,则这块锂电池充满电后,贮存的电能是               kWh,   若手机的工作电流为7.5 mA ,此电池可供手机工作           h。根据语境从方框中选择恰当的单词填空,有的需要变换形式,每词限用一次research, situation, southwest, feed, baby(1)Tom usually buys sausages tohis dog.(2)Yunnan and Sichuan are in theof China.(3)Don't worry. Mr Wang will help us in all kinds of .(4)They did lots ofabout India to know about this country.(5)The twowere born at the same time.
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