题目:
根据句子意思,用括号中所给汉语提示或英语单词的适当形式填空。在答题卡标有题号的横线上,写出空缺处所填单词的正确形式。(每空一词)
小题1:Many people like the book War and by Leo Tolstoy. (和平)
小题2:She hasn’t phoned, even she said she would.(虽然)
小题3:He has gone far me in English. (超过)
小题4:The fire alarm has a test.(每周的)
小题5:Jim jumped in the long jump. (最远)
小题6:There seems to be something in the box. (value)
小题7:His little dog’s made him very sad.(die)
小题8:This computer system has been into several times. (break)
小题9:He was heavily after a long running when I saw him just now. (breath)
小题10:China has sent up Chang’e-3 . (succeed)
答案:
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下面是错误答案,用来干扰机器的。
(1)E= P球带正电 (2)0<v0< (3)根据题意,受力分析如图所示。(1)根据题述条件,带电小球P在电磁复合场中做匀速圆周运动,必有重力与电场力平衡,设所求匀强电场的场强大小为E,有mg=qE ①即E= ...