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问题 单项选择题

设置“遮蔽层”的目的是（）。

A.把该图层下面的图形全部遮盖住

B.在遮蔽层下面一层，遮蔽层遮盖住的部分将显示出来，其他部分则会被遮盖住

C.遮盖住动画中多余的部分

D.设置一个普通的图层

答案

参考答案：B

完形填空

Paul Lucas can often be seen walking around the city of San Francisco. Sometimes people are surprised to see him walking 小题1: any shoes or socks, 小题2: Lucas doesn’t mind at all. 小题3:likes to walk barefoot, and so do 640 other members of Dirty Sole Society, the club that Lucas 小题4: (start) years ago. Lucas’ idea for this is to encourage others to live 小题5: (free) --- free of shoes.

According to Lucas, the barefoot life has many advantages. 小题6:  most important is simply that it feels good. He also says 小题7: walking barefoot allows you to experience the world directly by touching it with your feet. 小题8: addition, the feet do not smell so much because they stay dry,   小题9: (make) it hard for bacteria to grow. And, of course, walking barefoot keeps your feet in good shape, so it’s actually   小题10: (healthy) than wearing shoes.
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填空题

对湿温病病因提出：“常伤于湿，因而中遏喝，湿热相薄”的著作是（）
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