问题
多项选择题
（）气瓶的单位，应当制定相应的气瓶安全管理制度和事故应急处理措施，并有专人负责气瓶安全工作，。不定项选择
A、运输
B、储存
C、销售
D、使用
答案
参考答案：A, B, C, D
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（）气瓶的单位，应当制定相应的气瓶安全管理制度和事故应急处理措施，并有专人负责气瓶安全工作，。不定项选择
A、运输
B、储存
C、销售
D、使用
参考答案：A, B, C, D
Many children use the Internet to get useful knowledge and information, and to relax in their free time. But some of them are not using in a good way. Here are some rules to make sure you are safe and have fun on the Internet. ● Make rules for Internet use with your parents. For example, when you can go online, for how long and what activities you can go online. ● Don’t give your password (密码) to anyone else, and never leak out the following information---your real name, home address, age, school, phone number or other personal information. ● Check with your parents before giving out a credit (信用) card number. ● Never send a photo of yourself to someone in e-mail unless your parents say it’s OK. ● Check with your parents before going into a chat room. Different chat rooms have different rules and attract different kinds of people. You and your parents must make sure it’s a right place for you. ● Never agree to meet someone you met on the Internet without your parent’s permission (允许). Never meet anyone you met on line alone. ● Always remember that people online may not be who they say they are. Treat everyone online as strangers. ● If something you see or read online makes you uncomfortable, leave the site. Tell a parent or teacher right away. ● Treat other people as you’d like to be treated. Never use bad language. ● Remember—not everything you read on the Internet is true. 小题1: If you want a true friend on the Internet , you can ____________ . A tell the people what your name is . B meet the people on line alone. C write an e-mail about yourself . D get your parent’s permission. 小题2:It’s good for children to ________ on the Internet.
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