下列支气管扩张的影像特点，不正确的是（） A.局部肺纹理增多 B.环状或蜂窝状影 C

阅读理解。

　　Bruno was a boy of eight His father worked in a cinema and his mother

worked in a shop. He lived not far from his school. He always walked there and

walked home. On his way to school, he had to pass a playground. It was very

wet after it rained. One day, when he got home, his clothes were all wet. His

mother became angry and said," Don't play in the water on your way home from

school!"

　　On the next day Bruno came home with wet and dirty(脏的)clothes. His

mother became even angrier. "I'll tell your father if you come back wet again,"

said his mother."He'll punish(惩罚)You, you know."

　　The third day the little boy was dry when he came home．

　　"You're a good boy today", his mother said happily."You didn't play in the

water."

　　"No," the boy said unhappily."There were too many older boys in the water

when I got there this afternoon. There wasn't any room(空地方)for me at all!"

1. Bruno went to school _____ every day．

A. by bike        

B. by bus          

C. by car      

D. on foot

2. The playground was between(在……之间)_____

A. two classrooms                  

B. the cinema and shop

C. Bruno's house and school          

D. the shop and Bruno's school

3. The little boy liked to play on the playground _____．

A. when it snowed

B. when there was some water there

C. when the children played football there

D. when his father was busy with his work

4. Bruno was afraid of (害怕) _____the most．

A. his father      

B. his mother      

C. his teacher      

D. the older boys

5. That afternoon, the boy's clothes were dry because _____.

A. There wasn't any room (空地方) for him to play.

B. He didn't go to school that day

C. he played in the water carefully

D. There were too many older girls in the water

抗原抗体反应最适宜的pH值为（）

A.2.5～4.5

B.4.5～5

C.5～6

D.6～8

E.8～9

在物流标准化的全部活动中，（）是一个关键环节，是建立最佳秩序，取得最佳效益的落脚点。

A.制定标准

B.贯彻实施标准

C.修订标准

D.统一标准

当油中含有水分时，能加速油的（）和（）及金属的腐蚀。

对于离心泵试泵，下列做法错误的是（）

A、检查确认各部件回装完成

B、点试电机，确认运转方向正确

C、盘车检查轴无异响及泄漏

D、启泵后，调整入口阀开度达到所需流量