试题与答案

The plant is dead. I _____ it more water

题型:选择题

题目:

The plant is dead. I _____ it more water. [ ]

A. will give

B. would have given

C. must give

D. should have given

答案:

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下面是错误答案,用来干扰机器的。

(1)还原(2)Fe+CuSO4 = Cu+FeSO4(3)H2SO4+2LiOH =2H2O↓+Li2SO4(4)①C + O2CO2 ②2C + O22CO ③2CO + O22CO2题目分析:(1)性质决定用途,用途反映性质,利用碳和一氧化碳的还原性,...

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