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【单选题】
下列不是腰痛病因的是A.
潮湿
B.
劳作汗出当风
C.
冒雨着凉
D.
饮食不节
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举一反三
【单选题】We can come to the ______ that the more we practice，the more skillful we will be.
A.
tradition
B.
generation
C.
conclusion
D.
fact
【简答题】已知A=1+2x 2 -3x 3 ，B=3x 3 -2x 2 -5x-4，其中x=- ，求2A-（A-B）的值。
【简答题】The more passions we have, the more happiness we are likely to experience.
【简答题】The more books we read, the more learned we become.
【简答题】阅读理解。 However important school life may be, we can't ignore the fact that children spend more time at home than in the classroom. Therefore the great influence of parents can't be ignored or discounte...
【简答题】The more experiences we have, the more capable we are likely to be.英译汉
【简答题】If we contribute more to the world, we will be more rewarded with ______.
【单选题】已知A={x|x＜3}，B={x|-1＜x＜5}，则A∪B等于（ ）
A.
{x|x＜5}
B.
{x|x≤-1或x≥3}
C.
{x|x＜-1或x≥3}
D.
{x|x≤5}
【简答题】阅读理解。 However important school life may be, we can't ignore the fact that children spend more time at home than in the classroom. Therefore the great influence of parents can't be ignored or discounte...
【简答题】已知： 3 x 2 +3x -( x 2 +3x)=2 ，x 2 +3x为（ ） A．1 B．-3和1 C．3 D．-1或3
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