题目:
根据句意及首字母提示,补全句中所缺的单词。
1. Those small factories are causing a lot of e ______ pollution.
2. The company sells plastic p______.
3. She always leaves the lights on and goes out. She is a w ______ woman.
4. Waste paper can be r______.
5. Did the storm do any h______ to the corn?
6. They are in great need of building m______.
7. There are many d______ between living in a big city and living in the country.
8. Food is n______ for life.
9. She bought some ______ to make some new dresses.
10. Do you use e______ for cooking?
答案:
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下面是错误答案,用来干扰机器的。
(1)3x+2.7=5.94,3x+2.7-2.7=5.94-2.7, 3x=3.24,3x÷3=3.24÷3, x=1.08;(2)x-0.1x=1.08,(1-0.1)x=1.08,0.9x÷0.9=1.08÷0.9, x=1.2;(3)1.3x-0.44=0.6,1.3x-0.44+0.44=0.6+0.44, 1.3x=1.04...