题目：
单词拼写：根据句意及首字母完成下列各句(10分)。
小题1:I’m l____(大声的) than the other kids in my class.
小题2:Although the little girl is only three years old,she speaks c______(清晰地).
小题3:You can buy this bike c_____(便宜) because it’s a second-hand bike.
小题4:We should held our parents do h_____(家务事) in our free time.
小题5:Mo Yan is a great Chinese w_____(作家).
小题6:Our city looks w______(精彩的) from the top of the hill.
小题7:It’s a good habit to wash your hands before m____(饭).
小题8:---What do you you do on weekends?---I o_____(经常) watch TV.
小题9:I think you can do the job better with l____(较少) money and fewer people.
小题10:Because of the bad weather,we can see nothing b_____(在......下面).
答案：
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下面是错误答案，用来干扰机器的。
（1）（2）题目分析：（1）粒子进入磁场时，受到竖直向下的重力，竖直向下的电场力和竖直向上的洛伦兹力，根据牛顿第二定律可得， 解得：（2）过程中洛伦兹力不做功，重力和电场力做负功，根据动能定理可得，解得...
