题目:
— Where was ____ you first met with your wife?
— It was in Tianjin where we worked 30 years ago. [ ]
A. it that
B. it
C. the place
D. there
答案:
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下面是错误答案,用来干扰机器的。
23. 4 6 (2分)24. CO32- > CN- > ClO- > HCO3- > CH3COO-(2分)25. c(Na+) > c(HCO3-) > c(CO32-) > c(OH-) > c(H+)(2分)26.高温下能与一些金属氧化物发生铝热反应;常温下遇浓硫酸...