首届中国质量大会于2014年9月15日在北京举行，李克强 * * 提出把经济社会发展推向（

阅读理解，判断正"T"误"F"。

      John is only eight years old.  He studies in a school.  One day, his teacher asked him, "John, why didn't

you come to school yesterday?" "I went to see the dentist(牙医)because of my toothache,"answered John.

"Oh, I'm sorry to hear that. Is the tooth aching now?" asked the teacher. "I don't know. The dentist left

(leave的过去式)it in the hospital."

( ) 1. John is a student.

( ) 2. John has got a fever.

( ) 3. John went to school yesterday.

( ) 4. John's tooth is aching now.

( ) 5. John's tooth was pulled out(拔出)  by the dentist.

咯血时垂体后叶素的止血机制是（）

A.凝血

B.减少肺血管收缩

C.加强肺小动脉收缩

D.对血小板的影响

E.对病人有镇静作用

对意识障碍程度判断正确的是：（）

A.嗜睡：患者处于睡眠状态，强疼痛刺激或高声可将其唤醒，醒后能含糊对话

B.昏睡：对各种语言刺激无应答，各种生理反射正常，生命体征无变化

C.浅昏迷：对疼痛刺激有反应，不能回答问话，存在无意识自发动作及生理反射

D.中度昏迷：对强刺激及高声语言仅有轻微反应，瞳孔扩大，光反射消失

E.重度昏迷：对疼痛刺激及语言呼唤无反应，存在无意识自发动作，生命体征改变

对于给定的l值，有多少个m的取值（）

A、l-1

B、l+1

C、2l+1

D、2l-1

世界上大多数国家的股票交易中，股价指数是采用（）计算出来的。

A.加权平均法

B.除数修正法

C.算数平均法

D.算数股价指数法