阅读以下文字，完成以下问题。 据说在英国人那里也出现了英语[a]的问题，或者说，英

不易嵌顿的腹外疝有（）。

A.直疝

B.斜疝

C.小儿脐疝

D.成人脐疝

E.股疝

交际运用。根据对话内容，在空白处填写适当的话语，使对话完整。

(You area reporter. You are visiting very good student in the English club.)

A:  1. ______?

B:  Yes, please.

A:  I hear you are very good at listening, speaking, reading and writing.

     2.______.

B:  In listcning,  I often listen to the English tapes in the morning or l watch English language

     videos if I am free.

A:  3.______ Well, you speak English very fluently (流利).  Can you tell me what

     the best way jS'l

B:  Sure.  I often come to the English club after school.  I practice conversations with the

     students here or our foreign teacher.

A:  That's the best way I hear.  Can you tell me why you get the pronunciation right?

B:  Of course.  I often rcad 4._______after the English tapes.

A:  That really helps a lot.  My last question is how you improve your writing.

B:   I often keep a diary in English.  Sometimes I 5.______my pen pal in America.

A:  You do really well in English.  Thank you very much for accepting (接受) my visit.

患者女，74岁。心力衰竭，出现呼吸困难、咳嗽等症状，现采取鼻导管氧气吸入，病情好转，患者要进食时，应（）

A.先关流量开关，后拔管

B.先关总开关，后拔管

C.分离氧气管道，鼻导管保留

D.先拔管再关流量开关

E.边进食边吸氧

经济学领域中所谓的“看不见的手”的最初提出者是( )

A．亚当.斯密

B．凯恩斯

C．大卫.李嘉图

D．萨谬尔森