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问题
填空题
人的生理发展包括机体的正常发育和________两个方面。
答案
参考答案:
体质的增强(增强体质)
解答题
(1)计算:
3tan30°+|3-π|-
3
(2010-π
)
0
+(-1
)
2013
.
(2)先化简,再求值:
(
3x
x+1
-
x
x-1
)÷
x-2
x
2
-1
,其中
x=
3
2
.
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选择题
Wind power is an ancient source of energy ____ we may return in the near future.
A. to which
B. by which
C. from which
D. on which
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