问题 单项选择题

GB19489-2004《实验室生物安全通用要求》规定实验室个人责任()

A.可以在工作区域内处理隐形眼镜

B.在工作区域内可以佩戴戒指、耳环、腕表、手镯、项链和其他珠宝

C.可以在工作区域中喝水

D.个人物品、服装和化妆品不应该放在有规定禁放的和可能发生污染的区域

E.可以在工作区域内使用化妆品

答案

参考答案:D

解析:GB19489-2004《实验室生物安全通用要求》规定实验室个人责任:禁止在工作区内使用化妆品和处理隐形眼镜。长发应束在脑后。在工作区内不应配带戒指、耳环、腕表、手镯、项链和其他珠宝。个人物品、服装和化妆品不应放在有规定禁放的和可能发生污染的区域。

阅读理解

阅读理解。

     In most parts of the world, many students help their schools make less pollution. They join"environment(环境)  clubs". In an

environment club, people work together to make our environment clean.

     ·No-garbage(垃圾)  lunches. How much do you throw away after lunch? Environment clubs ask students to bring their lunches

in bags that can be used again. Every week they will choose the classes that make the least garbage and report them to the whole

school!

    ·No-car day. On the no-car day, nobody comes to school by car-not the students and not the teachers!  Cars give pollution to

the air, so remember:

    Walk, jump, bike or run.

    Use your legs!  It's lots of fun!

    ·Turn off the water! Did you know that some toilets can waste twenty to forty㎡of water an hour? In a year that would fill a

small river! In environment clubs, students mend those broken toilets.

    We love our environment. Let's work together to make it clean.

1. Environment clubs ask students____.

A. not to forget to take cars

B. not to throw away lunch bags

C. to go to school by car every day

D. to do exercise every day

2. From the passage, we know the students usually have lunch

A. in clubs    

B.at home    

C.at school    

D.in restaurants

3. On the no-car day,____will take a car to school. 

A. both students and teachers      

B.some students

C. neither students nor teachers    

D.some teachers

4. After students mend toilets, they save____.

A. much water    

B.a lot of money    

C.a long river    

D.a toilet

5. The writer wrote the passage to ask students to____.

A. walk to school every day      

B.help teachers

C. bring their lunches in bags      

D.make less pollution

单项选择题