原发性中性粒细胞缺陷病最易发生 A．奈瑟菌属感染 B．念珠菌感染 C．金黄色葡萄球菌

阅读理解。

     Jeff Keith has only one leg. When he was 12 years old, Jeff had cancer (癌症). Doctors had to cut off

  most of his right leg.

     Every day Jeff puts on an artificial leg (假腿). With the plastic artificial leg Jeff can ride a bicycle, swim,

  and play soccer. He can also run.

     Jeff made a plan with his friends who had plastic legs, too. They decided to run across America.

     When he was 22 years old, Jeff Keith ran across the United States from the east to the west. He

 started running in Boston. Seven months later, he stopped running in Los Angeles. He ran 3,200 miles.

 Jeff stopped in cities on the way to Los Angeles. In every city people gave Jeff money. The money was

  not for Jeff, but for the American Cancer Society.

     Jeff is disabled, but he can do many things. He is studying to be a lawyer (律师). Jeff says, "People can

  do anything they want to do. I want people to know that. I ran not only for disabled people. I ran for

 everybody."

1. Jeff's right leg was cut off because he had _____.

    A. TB(肺结核)          

    B. an accident

    C. cancer             

    D. a serious injury

2. From the passage we know that Boston is _____.

    A. in the west              

    B. half between the east and west

    C. near Los Angeles           

    D. in the east

3. It took Jeff _____ to run from Boston to Los Angeles.

    A. about four and a half months    

    B. over two hundred days

    C. almost twenty-five weeks      

    D. less than half a year

4. The underlined word "disabled" means _____.

    A. 优秀的                  

    B. 劳累的

    C. 残疾的                  

    D. 无能为力的

5. The fifth passage tells us that _____.

    A. people should give him more money

    B. people can do anything they want to do

    C. some disabled men will become lawyers  

    D. disabled people also can run

剪发梳主要用于（）

A.梳理头发和剪发

B.梳理头发和盘发

C.剪发和烫发

D.剪发和盘发

E.剪发和吹风造型

下列关于产品故障的说法正确的是（）。

A．使产品不能完成规定任务或导致人或物的重大损失的称为故障

B．偶然故障是由于偶然因素引起的故障，只能通过概率统计来预测

C．故障按统计特性可分为偶然故障和耗损故障

D．偶然故障可通过预防维修防止故障的发生，延长产品的使用寿命

白术用法，生用具有的功效是（）
白术用法，炒用具有的功效是（）
白术用法，炒焦具有的功效是（）

A.燥湿利水

B.托疮生肌

C.健脾止泻

D.补气健脾

E.固精止带

人体内激素分泌量过多或不足都会对机体有害，体内有一系列机制维持激素在血液中含量的相对稳定。下图是甲状腺活动的调节示意图。请根据图回答下面的问题。

如果激素③的合成量过多时，激素①、②含量的变化是（）。这是一种（）调节机制。