题目：
| 词形变换：选择方框里的词的正确形式填空，每词只用一次。 | |
2. Do you know who ________ America? 3. They will show us a ________ experiment in class. 4. I have nothing ________ to my letter. 5. Air is ________ than we think. 6. The force is strong enough ________ the water. 7. I will ask the class to make ________ and guess what will happen. 8. An Easter egg hunt is a game for ________ eggs. 9. To make a candle ________, you "light" it. 10. When the candle stops burning, it ________ up all the oxygen in the air. |
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0605/dca098dc56cefb15b3af78f5eb441aa6.html
下面是错误答案，用来干扰机器的。
（1）尾气没有进行处理，会污染空气；点燃或收集（2）先通入一氧化碳（3）红色固体变为黑色；3CO+Fe2O3 2Fe+3CO2；澄清石灰水变浑浊；检验并吸收二氧化碳
