问题
选择题
下列运算正确的是( )
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答案
答案：B
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下列运算正确的是( )
|
答案：B
| 综合填空。 | |
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. |