消弧室的作用（）。 A.储存电弧 B.进行灭弧 C.缓冲冲击力 D.加大电弧

巴黎公社起义在客观上体现了《 * * 党宣言》中的[ ]

A、资本主义社会必将被社会主义社会取代的理论

B、用暴力推翻资产阶级统治，建立无产阶级统治的理论

C、将一切生产资料集中在无产阶级国家手中的理论

D、资本主义所有制已经不再适应生产力发展的理论

IV. 阅读理解  30%

阅读下列短文，从每小题后所给的A、B、C、D四个选项中，选出最佳选项。

A

When Cathleen Gardiner’s twins were born 17 years ago, doctors told her that they were a pair in a million. One had Down syndrome(低能综合症), while the other did not. Here, Cathleen tells their touching story.

Since Sean was born 17 years ago, I have always thought that he is just as wonderful as his brother and sister. Though he had a disability(残疾), we have never viewed him as a burden. He has always been a blessing. The doctors explained that though they were twins, they came from two different eggs. Lisa could walk at 11 months old, while Sean didn’t take his first steps till he was three. By two, Lisa was talking a lot, but Sean wasn’t able to speak until he was nearly four.

For the first five years of his life, Sean needed a great deal of care. Looking after him was my full-time job, though I also worked as a technical adviser in a computing company. We never treated them differently. We gave them the same toys and spoke to them in the same way. We encouraged Sean to keep up with Lisa, even though he never could, and we would help him develop his abilities. We sent them to the same primary school even after doctors advised us that Sean should go to a school for the disabled.

We had to explain to Lisa that he wouldn’t learn as quickly as she would. She told us that she’d help him with his school work. Having a non-disabled twin has really helped Sean develop. The love they share has given him a great deal of support. Now Sean and Lisa are both about to finish high school. I don’t think he would have done nearly as well today without Lisa’s help.

56. At least how many children does Mrs. Gardiner have?

A. Two.     B. Three.      C. Four.   D. One.

57. The third paragraph mainly tells us that _______.

A. the couple treated the twins equally

B. Cathleen did all she could to look after Sean

C. the couple didn’t follow the doctor’s advice

D. the couple encouraged Sean to grow up

58. All of the following statements are true except_________.

A. Sean couldn’t develope so well without his parents’great effort.

B. As a twin sister,Lisa gave Sean a lot of help.

C. As a mother of a disabeled child,Cathleen must have suffered a lot.

D. Cathleen loved Sean more than Lisa because of his disability.

59. This passage tells us that _________.

A. love can do wonders           B. nobody is foolish or clever

C. being stupid doesn’t matter       D. all men are born equal

企业采用服务差别化的市场定位战略，就可以不再追求技术和质量的提高。（）

以下机械设备中，直接影响到工程项目使用功能的发挥的是()。

A.电梯

B.运输设备

C.吊装设备

D.计量器具

需要用完全胃肠外营养支持的病人是

A．高热患者需补充高能量流质时
B．食管癌病人术后早期
C．胃部手术后空肠造瘘者
D．昏迷病人
E．吞咽功能障碍者