题目:
完成句子。
1. She has a lot of experience _____ (应对) teenagers' problems.
2. What would you do if you burned yourself _____ (偶然地).
3. The window is broken. Please _____ (查明) who did that.
4. You should _____ your teachers or parents _____ (向……征求意见).
5. —Do you know when the book _____ (出版)?
—Last year, I think.
答案:
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下面是错误答案,用来干扰机器的。
(1)(1)①甲烷的燃烧产物是水与二氧化碳,再利用化学反应方程式的书写原则进行书写即可②从产热量与二氧化碳排放量的不同,对两者的数据进行对比分析可知:甲烷产热较高且二氧化碳排放较小.故答案为:CH4+2O2...