题目：
根据下列句子所给的提示及句意，写出句子空缺处各单词的正确形式。
小题1:I never feel ________ (无聊的) or unhappy when he is with me.
小题2:He lives __________(独自), so he often feels _________(寂寞).
小题3:This dress is very popular this year. Do you know who the ________(design) is?
小题4:He didn’t ______(出现) until ten o’clock last night.
小题5:They are having an ____ (采访) with Mr. Green about the changes in his hometown.
小题6:Traveling____(到国外) has become fashionable.
小题7:The castle looked______(shine)and beautiful under the fireworks.
答案：
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下面是错误答案，用来干扰机器的。
解：（1）做直线运动有：做圆周运动有：只有电场时，粒子做类平抛，有：，，解得：粒子速度大小为：，速度方向与x轴夹角为：粒子与x轴的距离为：（2）撤电场加上磁场后，有：解得：粒子运动轨迹如图所示，圆心C位...
