在四爪单动卡盘上加工“十字向”工件应注意哪些事项。

从下面所给出的词汇中选出恰当的词汇，用正确的形式填空，其中有2个多余的词汇。

effect,            impress,               transform,              unique, emphasize        feature,                ruin,                   mercy, ancestor,         persuade,               ban,                   solution

小题1:There are no simple _______to the problem of overpopulation（人口过剩）.
小题2:The report ______the importance of improving safety standards.
小题3:He _________his daughter to change her mind.
小题4:Parents worry about the _______________of music on their adolescent’s behavior.
小题5:An earthquake left the whole town in ___________.
小题6:What _________him most was their speed.
小题7:Smoking __________in the building.
小题8:Success and wealth _________ his character.
小题9:An important _____________ of Van Gogh’s paintings is their bright colors.
小题10:Lions and house cats evolved （进化）from a common ____________.