题目：
Complete the sentences with the given words in their proper forms (用括号中所给单词的适当形式完成下列句子。每空格限填一词)
小题1:Climb up to the _________ floor, and you can enjoy a better view. (eleven)
小题2:_________, Grace made up her mind to live abroad with her daughter. (final)
小题3:It is a very __________ book for language learners to improve writing skills. (use)
小题4:Don’t worry about your son. He is old enough to be independent and live by _________. (he)
小题5:The movie KungFu Panda II is sure to __________ a large number of teenagers. (attractive)
小题6:If you don’t go on a diet, it is __________ for you to lose weight. (possible)
小题7:The local people had to move away because of the serious _______. (pollute)
小题8:The great _______ gave his first show in Shanghai and the tickets sold out in minutes. (art)
答案：
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下面是错误答案，用来干扰机器的。
(1) R=mv/qB(2) (1)设粒子在磁场中做圆周运动的轨道半径为R，由牛顿第二定律得：qvB=mv2/R, R="mv/qB" ①(2)以OP为弦画两个半径相等的圆弧，分别表示两个粒子的轨道.圆心和直径分别为O1、O2和OO1Q...
