搜题请搜索小程序“爱下问搜题”
问题
单项选择题
中药品质变异现象之一是
A．含水太多
B．杂质多
C．变味
D．破碎
E．结块
答案
参考答案：C
选择题
It took me a long time before I was able to fully appreciate what they _____ for me.
A. had done
B. did
C. would do
D. were doing
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单项选择题
土壤结构主要通过土壤的（）分布来影响肥力的。
A.孔隙
B.水膜
C.孔径
D.复粒
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