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问题
名词解释
碎屑物质
答案
参考答案：
由物理风化作用形成的岩石碎屑和矿物碎屑。
选择题
My uncle _____ to see me. He_____ here in a minute.
A. comes; is going to be
B. is coming; will be
C. has come; has been
D. came; was
查看答案
单项选择题
在皮肤上出现成簇的水疱，痛如火燎的急性疱疹性皮肤病是（）
A.热疮
B.黄水疮
C.蛇串疮
D.疥疮
E.湿疮
查看答案
