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问题 单项选择题

就卫生监督信息网络系统，下列哪个表述存在错误（）

A.卫生监督信息网络是中国公共卫生监督信息的数据传输和数据交换基础平台

B.卫生监督信息网络系统采用B.S结构，是运行卫生监督信息报告软件系统的硬件平台

C.卫生监督信息网络是不依托国家公网的专用网络

D.卫生监督信息网络以卫生部及卫生部卫生监督中心为中心，是连接国家、省、地（市）和县（区）的分层网络

答案

参考答案：C

单项选择题

I got a job teaching special education at a school in Coachella, California, a desert town about 170 miles from home. It was no (1) job. Street gangs (2) around the school after dark."Be careful," Dad warned me during one of my frequent weekend (3) home. He was concerned about my living (4) , but I needed to be on my own.One evening, I stayed after school to rearrange my classroom. (5) , I turned out the light and closed the door. Then I (6) toward the gate. It was (7) ! I looked around. Everyone had gone home.After (8) all the exits, I found just enough (9) to squeeze under a gate in the back of the school. Then I walked toward my car, parked in a field behind the building.Suddenly I heard voices. I (10) around and saw at least eight boys following me. (11) my pace, I reached into my shoulder bag to get my key. I (12) all over the inside of my handbag. But the key wasn’t (13) ! Dear Lord, please help me, I prayed (14) . Suddenly, my fingers touched a loose key in my purse. I didn’t even know if it was for my car, but I took it out and (15) it. It worked!I opened the door, slid in and locked it—just (16) the teenagers surrounded the car. Trembling , I started the engine and (17) away. When I returned to my apartment, the phone was ringing. It was my Dad. I didn’t tell him about my experience; I didn’t want to (18) him. "Oh, I forgot to tell you!" He said, "I had a(n) (19) car key made and slipped it into your purse—just (20) you ever need it.

第（9）空应选择（）

A.time 

B.ground 

C.strength 

D.room
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单项选择题

根据MARPOL公约附则Ⅳ，每艘符合本附则规定的船舶应配备下列生活污水系统之一（）。

Ⅰ．生活污水处理装置；

Ⅱ．经主管机关认可的污水粉碎和消毒系统；

Ⅲ．主管机关认为容积足够储存所有生活污水的集污舱。

A.Ⅰ

B.Ⅱ

C.Ⅰ～Ⅲ

D.Ⅱ、Ⅲ
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