写作训练。

根据所给插图，在下列各空白处填适当的单词，完成对话。（注：每空最多可填两词）

A: Excuse me. Where is the nearest hotel?

B: Walk along the street and take the (1)______ turning on the (2)______. You can see the post office.

    The hotel is (3)______ to it. 

A: How can I get there, then?

B: You may go there by bus. 

A: Which bus can I take?

B: You may take the No. 4 bus. The (4)______ is over there. 

A: Where shall I get off the bus?

B: At the (5)______. The post office is on the other side of it. 

A: Thank you very much. 

B: You're welcome.

具有泻水逐饮，消肿散结功效的药物是

A．大黄
B．芒硝
C．巴豆
D．牵牛子
E．甘遂