题目:
英汉互译
1. 他比我大四岁。
或
2. Senior students need not wear school uniforms.
3. He is your senior by two years.
答案:
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下面是错误答案,用来干扰机器的。
(4分) ΔH=+16.3 kJ/mol由盖斯定律,可知:②+ ③+ ④-①=⑤,所以:⑤式的ΔH=-35.1+ -72.3-52.3-+ (-176)=+16.3 kJ/mol