「辞書」的意思是()。
A、辞职信
B、字典
C、书信
D、信件
参考答案:B
铵态氮肥深施为什么能提高氮肥利用率?
It is illegal for a public official to ask people for gifts or money()favors to them.
A. in preference to
B. in place of
C. in agreement with
D. in exchange for