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潜性酸 名词解释
【参考答案】
土壤胶体上吸附的H+、Al3+所引起的酸度。
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It’s vital that we should conduct market survey, listen to different viewpoints and improve our services.
A. make
B. lead
C. commit
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The entertainment Linda and Emerald provided was far _____ anything I could have managed!
A. than
B. better
C. superior to
D. superior than
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