属于闭合性骨折的是：（） A.耻骨骨折合并 * * 损伤 B.骶骨骨折合并直肠损伤

阅读理解。

     Peter is thirteen years old. He is in Grade Two this year. He likes to play football and watch football

matches. And he often reads newspapers. He does his best to know when and where there is going to

be a football match. Now Peter is having lunch. He is listening to the radio, too. He is very happy because

there is going to be a nice footballmatch on Tv at four this afternoon. He wants to watch it very much.

But he is going to have English and Chinese lessons. He thinks hard and find a way.

      "Hello, Mrs Black," Peter says to his teacher on the telephone," Peter is ill in bed. He wants to ask

for half a day's leave (请半天假)."

     "Oh, I'm sorry to hear that," says Mrs Black. "But who is that?"

     " It's my father. Mrs Black."

1. Peper is a _____. [ ]

A. middle school student

B. Young pioneer

C. worker

2. Peter will be in _____ next year.[ ]

A. Grade Two

B. Grade Three

C. Grade One

3. Peter often reads newspaper because _____. [ ]

A. he likes to read news

B. he likes to read stories

C. he wants to know when and where a football matchwill be.

4. Peter wants to ask for a leave because _____. [ ]

A. his father is ill

B. he wants to watch the football match

C. he is ill in bed

5. Which of the following is right? [ ]

A. Mr Black is going to take Peter to see a doctor.

B. Peter likes to watch TV at four in the afternoon.

C. Peter is not an honest boy.

______÷8=6…______余数最大能填______，当余数最大时，被除数是______．

在面向对象方法中，类之间共享属性和操作的机制称为______。

2011年2月24日，交通部确定选择天津等10个城市开展              交通运输体系建设试点工作。

叮测定时，加入兔脑粉的作用是

A．代替Ca2+，启动共同凝血途径

B．替代FⅢ，加大表面积，加快外源凝血

C．激活FⅢ，启动外源凝血

D．代替FⅦ，启动外源凝血

E．激活FⅫ，启动内源凝血