为补脾益气的重要药物，用于脾胃气虚、运化失常所致的食少胀满、倦怠乏力等证的药物是（）
A.党参
B.黄芪
C.甘草
D.山药
E.白术
参考答案：E
小题1:When I was young, my teacher told me that the early bird _________ the worm.
小题2:I ________the Great Wall as soon as I arrive in Beijing.
小题3:---Why didn’t you answer my phone?
---- Sorry. I _________ on a patient the whole afternoon.
小题4:I __________ this magazine. Will you please show me another?
小题5:_________ the letter ______ to the manager of the company yesterday?
请问周瑜利用何人使曹操杀了蔡瑁，张允二人？
