人民网2007年10月25日电据中央气象台网站消息，今天清晨北京南部、河北大部、

阅读下面短文，完成所给任务。

Tom was three years old. He liked to watch TV with his parents after supper,    ①  his parents never let him stay long. Mother would say, “It’s eight o’clock now. ②汤姆，到了你睡觉的时间了。”

“But why don’t you go to bed, too?” Tom always asked.

“We are adults (大人),” mother would say, “And adults go to bed late.”

One evening Tom asked his mother for an apple.

“But it’s too late,” his mother didn’t want to give him anything to eat at bedtime. “The apples are already asleep.”

“But not all of them,  Mom.” Tom said, “The baby apples are perhaps asleep, but their parents are surely awake.”

1.请在①处填上一个适当的连词。                    

2.请把②出的句子译文英语。                                  

3.What did Tom ask his mother for?                                      

4.请在文中找出和下面的句子意思相同的句子。         

His mother wanted to give him nothing to eat at bedtime.

5.文中有一对反义词，其中一个是asleep，对应的是                。

外源性凝血系统的作用起始于（）。

A.因子Ⅻ的激活

B.因子Ⅺ的激活

C.因子Ⅲ释放

D.因子Ⅶ及X的激活

E.PF3的释放

下列医用X线胶片中，属于单面乳剂胶片的是

A．扁平颗粒胶片

B．氦氖激光片

C．感绿胶片

D．感蓝胶片

E．乳腺摄影用胶片

北洋军阀政府统治时期，新学制对师范大学的任务做的规定不包括（）

GB/T246-1997对压扁试样有什么要求？