简述平底磨鞋的结构及维修保养。

阅读理解。

                                                  House for Sale

     ￥250, 000, built in 2010 

     The house with 3 bedrooms, a bathroom, a living room, a kitchen and a breakfast room. It's in the south

of Hezhou. Shiji Supermarket, the biggest shopping centre in our city will open on July 8, 2011. Everybody

with today s Hezhou Daily will get a small present that day. You are welcome.

Tel: 6668888

Add: No. 8 Renmin Road Hezhou Daily June 8, 2011

Rose's Special Concert

Time: 2 p.m., July 2, Saturday

Place: People's Stadium

Ticket Price: RMB 150 yuan for adults; 70 yuan for students June 25, 2011

1. If you buy the house, you ________.

A. may pay more than ￥250, 000 for it

B. must have breakfast in the kitchen

C. have to take a bath in the public bathroom

D. may live in the south of Hezhou

2. Everybody with a Hezhou Daily of June 8, 2011 will get a small present from ________.

A. every supermarket

B. Renmin Road

C. Hezhou Daily

D. Shiji Supermarket

3. If two adults and two students want to go to the concert, the tickets will cost RMB ________.

A. 220 yuan

B. 440 yuan

C. 270 yuan

D. 370 yuan

幼儿学习词汇，就是在获得某一个或一组事物概念的基础上______

A．将这些概念与相应的语言形式对应的固定下来
B．将这些概念的特点记忆下来
C．将这些概念的特点告诉别人
D．将这些概念的规律总结出来

.有人曾把20世纪20年代的美国社会概括为精神上的。然而到了20世纪后半期，人们在物质满足的同时也享受到了丰富的精神生活。导致这种变化的原因有 

①科技革命的进一步发展

②二战后西方同家主流政治思想的变化

③大众传媒迅速发展  

④社会福利制度不断完善   [ ]

A．①②③    

B．②③④  

C．①③④    

D．①②⑧

大面积皮肤撕脱伤（）。

A.清创后不宜缝合

B.清创及一期缝合

C.清创后不植皮

D.清创及植皮

E.清创后二期缝合

气虚致血虚者最适宜的调理方法是（）

A.补气为主

B.养血为主

C.佐以养血

D.佐以补气

E.佐以祛邪