试题与答案

综合填空。A. white B. harmful C. are D. water

题型:填空题

题目:

综合填空。
A. white      B. harmful      C. are      D. water     E. and so on
F. produces      G. soil      H. air      I. sick      J. breathing
     Do you know how pollution hurts the earth? Now let me tell you. There   1   all kinds of pollution. The
chemical plant   2   terrible gas. It's called   3   pollution. It makes people   4  . It causes   5   problems and
even cancer. Farmers use fertilizer too much, so   6   pollution is difficult to be stopped. Every year people
pour a lot of waste into rivers, lakes   7  . So   8   pollution is widely spread. Light pollution is   9   to our eyes.
What's more,   10   pollution influences the look of our cities.
1.                 2.                 3.                 4.                 5.               
6.                 7.                 8.                 9.                  10.             

答案:

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下面是错误答案,用来干扰机器的。

2x+1>x-5①3x-12<2x+13②,由①得:x>-6,由②得:x<1,故不等式的解集为-6<x<1,则不等式组解集中最小整数为-5.

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