儿童膳食中哪种元素摄入过多与高血压的发生有关（） A.铁 B.钙 C.钠 D.锡 E

下列哪一项不是右房肥大的心电图改变

A．P波高而尖
B．P幅度≥0.25mV
C．因右房除极时间延长，P宽度≥0.12s D．P波改变在Ⅱ、Ⅲ、DVF导联最显著
E．P-R不因右房肥大而延长

拜占庭建筑的教堂格局大致分为三种，下列哪一项有误( )。

A．巴西利卡式

B．集中式

C．十字形

D．穹顶

阅读理解

     Malls are popular places for Americans to go. Some people spend so much time at malls that they are

called mall rats. Mall rats shop until they drop in the hundreds of stores under one roof.

     People like malls for many reasons. They feel safe because malls have police stations or private security guards. Parking is usually free, and the weather inside is always fine. The newest malls have beautiful rest

area with waterfalls and large green trees.

     The largest mall in the United States is the Mall of America in Minnesota. It covers 4.2 million square

feet. It has 350 stores, eight night clubs, and a seven-acre park! There are parking spaces for 12,750 cars. About 750,000 people shop every week.

     The first indoor mall in the United States was built in 1965 in Edina, Minnesota. People loved doing all

their shopping in one place. More malls were built all over the country. Now, malls are like town centres

where people come to do many things. They shop, of course. They also eat in food houses that have food

from all over the world. They see movies at theatres. Some people even get their daily exercise by doing

the new sport of mall walking. Others go to malls to meet friends.

     In some malls, people can see a doctor or a dentist and even attend church. In other words, people can do just about everything in malls. Now residents can actually live in their favourite shopping centre.

1. Nowadays, malls are __________.

A. large shopping centres which also act as town centres

B. large parks with shops

C. the most popular place Americans go to

D. town centres

2. Why have malls become so popular?

A. Because people can do everything there.

B. Because people can do many other things besides shopping for all they need.

C. Because people believe that malls are much safer places.

D. Because people enjoy the fresh air and can have a good rest there.

3. Malls have to be large places because __________.

A. many people drive their cars to go to malls

B. there have to be some restaurants, clinics and theatres

C. many people hope to do sports in the malls

D. they have to meet different needs of so many people

4. Those __________ are called mall rats.

A. who are busy stealing in the mall

B. who have visited the biggest malls

C. who are often found busy shopping in malls

D. who live under the roof of the mall

5. According to the passage, people CANNOT find __________ in a mall in America.

A. a police station

B. a church

C. a restaurant

D. a sports centre

下面没有经历过由血缘关系向地缘关系转变过程的一项是：（）

A、维吾尔族

B、基诺族

C、汉族

D、蒙古族

品德。