In April, the weather in some places in Shanxi was really changeable. People still remember they hav_刷题宝

题干

In April, the weather in some places in Shanxi was really changeable. People still remember they have _______ four seasons in a week.

A：organized

B：experienced

C：described

D：travelled

上一题下一题 0.0难度选择题更新时间:2017-06-19 12:10:30

答案(点此获取答案解析）

B

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已知：C(s)＋O₂(g)=CO₂(g)　ΔH₁

CO₂(g)＋C(s)=2CO(g)　ΔH₂

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3CO(g)＋Fe₂O₃(s)=3CO₂(g)＋2Fe(s)　ΔH₅

下列关于上述反应焓变的判断正确的是(　　)

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