下列各组词语中，书写完全正确的一项是( ) A．声名鹊起　鞭辟入里　坐收鱼利　前

阅读理解。

    Big Ben is not the name of a man. It is the name of a huge (巨大的) clock in London. London is the capital

of the UK. This clock has four faces, so no matter (无论) where you stand, you can read the time on the face

of Big Ben. Each face is the size of a double-decker (双层的) bus. The hands are about four metres long. It is

about the size of two people standing on top of each other. If you go to London, you may want to visit the

House of Parliament (国会大厦). That is where you will find Big Ben sitting at the top of the clock tower (塔)

in the House of Parliament. You will hear it as well as see it. when it goes every quarter (四分之一) of an hour,

the big clock makes such a loud (声音大的) sound, "Ding Dong, Ding Dong,". The clock was named after a

big man. He was Sir Benjamin Hill. He did much building work in London many years ago.

1. Big Ben is _____.[ ]

A. a double-decker bus

B. a huge clock

C. the name of Ben

D. a building

2. The clock strikes (敲响) every _____of an hour.[ ]

A. ten minutes

B. fifteen minutes

C. thirty minutes

D. forty-five minutes

3. Which word means the same as "large"?[ ]

A. double

B. loud

C. huge

D. small

4. You can read the time of Big Ben _____. [ ]

A. at the top of the tower

B. in the House of Parliament

C. on the hands of the huge clock

D. on the four faces of the clock

5. The title (标题) of the passage (文章) may be _____.[ ]

A. Big Ben

B. A clock

C. Sir Benjamin Hill

D. The Capital of the UK

下列条件中，不能判定四边形ABCD是平行四边形的是 （  ）．

A．∠A=∠C，∠B=∠D

B．∠A=∠B=∠C=90°

C．∠A+∠B=180°，∠B+∠C=180°

D．∠A+∠B=180°，∠C+∠D=180°

对于Sheehan综合征，下列错误的是（）

A.产后大出血所致

B.乳汁分泌明显减少

C.可引起继发性性腺萎缩

D.皮肤色素加深

E.继发性肾上腺皮质萎缩

十进制数28的8421BCD码是( )。

A．00011100

B．00101000

C．00111001

D．00101100

为什么LOW-E膜层可反射热量？