巴比妥类药物最可能的作用点是（） A.氯离子通道 B.苯二氮卓受体 C.巴比

300张兰狐皮结转至另一加工贸易合同项下，须符合下列规定：

A．必须由同一经营单位经营

B．必须是同一贸易方式

C．必须由同一加工企业加工

D．必须生产同一产品

社会主义社会在生产资料的社会主义改造完成以后，社会的主要矛盾是人民日益增长的物质文化生活需要同落后的社会生产力之间的矛盾。政府为了满足人民日益增长的物质和文化生活的需要，必须把工作中心及时转移到经济建设上来，大力发展社会生产力，加强对经济的管理。可见：( )

A．政府经济管理职能是由社会主要矛盾所决定的

B．坚持以经济建设为中心是重要的

C．政府职能中经济职能是重要的

D．社会主要矛盾是重要的

阅读理解。

     How the iron (熨斗) of tomorrow (the first Self Cleaning Iron) can change your lifestyle today?

     General Electric introduces the iron of tomorrow. The iron can clean itself inside where irons get dirty.

Because it cleans itself each and every time you empty it. How? With a push of a magic blue button.

     The magic blue button

     The first thing you'll notice that's different about this iron is the blue button on the side. It's marked "Self

Clean". Push this blue button, and you can wash out loose mineral deposits(沉淀物) that remain and block up

inside. Push this button, and you've made life a lot easier.

     Less chance of brown spots

     Sure, Self Cleaning Iron is going to cut down on brown spots (Those ugly spots that happen on nice,

cleanly pressed clothes.) because a Self Cleaning Iron becomes clean each time you press that magic blue

button.

      Steams better longer

     Common sense tells you that if you've got an iron that blocks less often it has to stay younger for a long

period of time. In other words, it steams better longer. That's another joy of owning General Electric's Self

Cleaning Iron.

     What does it mean to you

     Today you are doing so much more than just running a house and running after the kids. You're working.

 You're going to school. It's all part of you to be a better wife, a hotter mother, a better housemaker, we want

to. The new Self Cleaning Iron is another one of Home-Makers from General Electric.

      Lifestlye.

     We're with yours.

     GENERAL ELECTRIC

1. This passage is ______.

A. an introduction to General Electric

B. an operating instruction of Self Cleaning Iron

C. an advertisement of Self Cleaning Iron

D. a description of the change of lifestyle

2. This iron can clean itself by ______.

A. emptying itself

B. washing out mineral deposits

C. blocking up mineral deposits

D. giving off more steam

3. According to the passage, what is most likely to attract the customers?

A. It is made by General Electric.

B. The iron will not produce mineral deposits.

C. Their clothes will be washed at the same time.

D. There will be fewer brown spots on pressed clothes.

4. Self Cleaning Iron can help change your lifestyle because ______.

A. you can run your house better

B. you don't have to run after the kids

C. you can use it while you are working

D. we want you to stay at home

生殖器结核的确诊依靠

A．盆腔X线平片

B．旧结菌素试验

C．结核菌培养

D．子宫内膜病理

E．腹腔镜检查

钢丝绳绳股在成绳机经过预变形工艺，消除内应力即可制成（）钢丝绳。

A、不旋转

B、不松散

C、不变形