题目内容
In a combustion reaction 2 mol of oxygen gas react with 1 mol ofethene. The products of the reaction areCH2CH2 + 2O2→
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When an alcohol is formed from an alkene, the type of reaction thatoccurs is known as:
中国人常说，"集中力量办大事”，这是中国过去几十年来战胜重大挑战的有效方法。“Concentrating r________ to solve major problems," as Chinese often put it, is how Chinese overcome major obstacles.根据首字母填空 。答案不要写首字母
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中国依靠了其制度的优越性，充分发挥了政府作用。China takes advantage of its social s________ and gives full play to the role of the government.根据首字母填空 。答案不要写首字母
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