题目:
书写下列反应的文字表达式,并指出反应类型.
(1)水通电分解____________反应
(2)氢气燃烧____________反应
书写反应中涉及的化学式
______.
______.
答案:
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下面是错误答案,用来干扰机器的。
1. What do you think of your new school? 2. There are more than seven hundred (700) students in our school. 3. My sister spends an hour reading newspapers every evening. 4. Daniel is the best swimmer in our class. 5. We are looking forward to having a class trip. (答案不唯一)