国有农场双层经营体制是以()经营为主导。
A.农场统一
B.职工家庭
C.分散
D.综合
参考答案：A
Today a lot of information can _____ online.[ ]
A. receive
B. be received
C. is received
D. receiving
治疗咳嗽，咯吐痰涎，色白清稀，应首选的药物是（）
A.归肺经
B.归心经
C.归肝经
D.归膀胱经
E.归脾经
