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问题
单项选择题
痴呆最常见的病因是()
A.癫儿
B.血管病
C.Alzheimer病
D.Parkinson病
E.感染
答案
参考答案:
C
解答题
解分式方程:
3
2x-4
-
x
x-2
=
1
2
.
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选择题
Don't look _____ the designer only _____ she is a woman.
A. down on; because of
B. upon down; because
C. down upon; because
D. down upon; because of
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