级差地租
参考答案：指经营较优土地的农业资本家所获得的、并最终归土地所有者占有的超额利润，其来源是产品个别生产价格与社会生产价格的差额。
耶尔森小肠结肠炎（）轮状病毒性肠炎（）
A.分泌性腹泻
B.渗透性腹泻
C.渗出性腹泻
D.肠道吸收障碍性腹泻
E.肠道运动功能亢进性腹泻
用所给单词的适当形式填空。
1. I don't like ______ (he) room. It's too small.
2. I need a pair of black ______ (sock) to go with my new shoes.
3. We hope ______ (arrive) at the airport around two o'clock.
4. This dictionary is not ______ (I). It's Jane's.
5. You are so _______ (luck) to have the chance to visit Michael Jordan.
