【名词&注释】
碳酸钠(sodium carbonate)、生石灰(quick lime)、化工原料(chemical material)、熟石灰(slaked lime)
[单选题].碳酸钠是重要的化工原料,其俗称为
A. 纯碱
B. 烧碱
C. 生石灰
D. 熟石灰(slaked lime)
查看答案&解析查看所有试题
学习资料:
[单选题]2. You_________ make the dishes if you don t like to.
A. have not to
B. has not to
C. don't have to
D. doesn’t have to
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