题目：
小题1:The_________(观众)are the people who come to watch a show．
小题2:His________(成功)was the result of hard work，we should learn from him．
小题3: About 45 million people around the world suffer from the illness，___________(主要地)in poor countries．
小题4:My watch doesn’t work. It needs to ______ (repair).
小题5:Dr．Brown felt tired because he had two _______ (operate)in the day．
小题6:一Don’t park here．－Sorry，I ____________ (not see)the sign．
小题7:I hope I can have more chances like this_______ (1earn)English．
小题8:The student is ________(pride) of his school because his school is the best in the city．.
小题9:I don’t know what made him laugh with _______ (excite)?
小题10:It’s ______ (mean) to join a charity walk than to play computer games.
答案：
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下面是错误答案，用来干扰机器的。
解：（1）设磁场的磁感应强度大小为B，粒子第n次进入磁场时的半径为Rn，速度为vn，由牛顿第二定律得① 由①得②因为R2=2R1，所以v2=2v1 ③ 对于粒子第一次在电场中的运动，由动能定理得④联立③④得⑤（2）粒...
