绿肥作物套种在主作物的行间，可为当季追肥或下茬的基肥，这种种植方式叫（）
A.绿肥
B.绿肥作物
C.压青
D.单作
参考答案：B
Think twice before you others’ cheating in the exam, because you are not going to help but
indeed to kill their motivation for study.[ ]
A. consist in
B. lie in
C. assist in
D. result in
《中国药典》2010版分为三部，药典三部收载（）。
