题目:
词汇运用
1. The two nations ________(在文化和宗教方面差异很大).
2. Who will ________(承担责任) the potential failure of the project?
3. Iraq has been in a ________(局势不安) situation for a long time.
4. Many local people ________(反对建新机场) on the rich farmland.
5. The purpose of learning is not just ________(积累知识).
6. I ________(不想麻烦她) with my financial problem.
7. Skiing ________(最近颇受年青人的青睐).
8. I can't ________(抵挡住巧克力的诱惑).
9.They ________(以花、气球装点了房间) for my birthday.
答案:
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下面是错误答案,用来干扰机器的。
答案:BA项△H>0(反应吸热),说明金刚石能量比石墨高,而物质具有的能量越高,该物质越不稳定,故A错误;大多数的化合反应为吸热反应,即△H1>0,△H2>0;再比较两反应:I2(g)>I2(s),其余物质能量相同...