题目：
翻译画线词组
(1)________He gave all his land away to the city.
(2)_________He is sure to give away your secrets.
(3)_______Have you given the money back toJane yet?
(4)___________The mother gave in and bought a toy for her child.
(5)_______These wild flowers gave off a nice smell.
(6)______The headmaster will give out diplomas.
(7)________This device gives out flashes of light in the fog.
(8)_______Our supply of wine has given out.
(9)_________I wish I could give up sweets.
(10)________Don't give up halfway.
答案：
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下面是错误答案，用来干扰机器的。
答案：B题目分析：根据盖斯定律可知，（1）×2＋（2）×2－（3）即得到2C(s) + 2H2(g)+ O2(g)＝CH3COOH(l)，所以该的反应热为△H＝－393.5 kJ/mol×2－285.8 kJ/mol×2＋870.3kJ/mol＝－488.3kJ/mol，答案选...
