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Unit 3 Safety Lesson 16 How Safe Is Your Home 课后检测
一、单项选择
1.Luckily, some firemen arrived in time and ______ the fire.
A. put out B.put up C.put in D. put through
2.David, ______ make trouble at school.
A. can't B. don't C. doesn't D. not
3.Some children in the villages must look after ______ because their parents work in the cities.
A. them B. their C. theirs D. themselves
4.—Dad, how about planting some trees in our yard
—Good idea! Trees can ______ the water from washing the earth away.
A. accept B. prevent C. discover D.choose
5.We'd better ______ when he is thinking, as he prefers to solve problems on his own.
A. let him down B. cheer him up
C. leave him alone D. ring him up
6.The ______ from the fire may dry your coat soon.
A.heat B. soda C. model D. paper
7.The workers put some ______ on the icy roads so that the drivers can drive safely.
A.bread B. salt C.water D. oil
8.How delicious! Did the students make the fruit salad all by ______
A. they B. them C. their D. themselves
9.We should keep our classroom ______ and tidy.
A. clean B. cleans C. cleaned D. cleaning
10.You can't play with ______. It is not a toy.
A. scissors B. a scissor C. a pair of scissor D. a pair of scissors
二、阅读理解
Many children use the Internet to get useful knowledge (知识) and information, and to relax in their free time. But some of them are not using it 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 do online.
◆Don't give your password (密码) to anyone else, and never give 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 (除非) your parents say it's OK.
◆Check with your parents before going into a chat (聊天) room. Different chat rooms have different rules and attract different kinds of people. You and your parents will want to 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 online alone.
◆Always remember that people online may not be who they say they are. Treat (视为) everyone online as if they were strangers.
◆If something you see or read online makes you uncomfortable (不舒服), 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.
1.The writer tells children to ________.
A. send their own photos to him
B. make rules for Internet use with parents
C. believe everything they read on the Internet
D. give out their personal information
2.It's good for children to ________ on the Internet.
A. give password to others B. get useful knowledge and information
C. give out a credit card number D. go into a chat room as they'd like to
3.What shouldn't be done when you are on line
A. Using bad language
B. Sending messages and e-mails
C. Leaving the site if you feel uncomfortable
D. Treating everyone online as strangers
4.If your parents don't agree, never ________.
A. read anything on the Internet
B. relax in your free time
C. have a face-to-face meeting with anyone you met online
D. treat other people as you'd like to be treated
5.The best title for this passage is “________”.
A. How to use computers B. Surfing on the Internet
C. Information on the Internet D. Internet safety rules
答案以及解析
一、单项选择
1.答案：A
解析：put out意为“扑灭”;put up意为“张贴;举起”;put in 意为“安装”;put through意为“为……接通电话”。根据firemen 可知应选A项。
2.答案：B
解析：句意:戴维,不要在学校惹麻烦。祈使句需用动词原形开头,其否定形式以don't+动词原形开头。故选B。
3.答案：D
解析：考查反身代词词义辨析。句意：村里的一些孩子必须照顾自己，因为他们的父母都在城市里打工。 look after+反身代词，意为"照顾自己"。故选D。
4.答案：B
解析：句意为:—爸爸,在我们的院子里种些树怎么样 —好主意!树木可以防止水冲走泥土。prevent... from doing sth 意为“阻止……做某事”,符合语境。
5.答案：C
解析：考查动词短语辨析。句意:当他思考问题的时候,我们最好还是让他一个人静静,因为他更喜欢独立解决问题。leave sb. alone意为“让某人独处”。故选C。
6.答案：A
解析：句意为:火的热度可能很快就会把你的外套烤干。根据语境可知此处指火的热度,故选A。
7.答案：B
解析：句意为:工人们在结冰的路面上撒了一些盐,以便司机们能安全开车。结合语境及常识可知,在结冰的路上可以撒盐来使冰融化,开车更安全,故选B项。
8.答案：D
解析：句意为: 真美味! 都是学生们自己做的水果沙拉吗 by oneself表示"独自"。故选D项。
9.答案：A
解析：句意:我们应该保持我们的教室干净整洁。“keep + sth./sb.+形容词”意为“使某物/某人保持某种状态”。结合句意可知选A。
10.答案：D
解析：句意:你不能玩剪刀。它不是个玩具。a pair of scissors一把剪刀。由It可知,此处应用a pair of scissors。故选D。
二、阅读理解
1.答案：B
解析：细节理解题。根据第一段中 But some of them are not using it in a good way. Here are some rules to make sure you are safe and have fun on the Internet. 但是他们中的一些人并没有很好地使用它，这里有一些规则来确保你在网上的安全和快乐，因此可知作者告诉孩子们要和父母一起去制定规则，故选B。
2.答案：B
解析：细节理解题。根据Many children use the Internet to get useful knowledge (知识) and information可知许多孩子用网络获取有用的知识，可知对孩子们来说在网上"获取有用的知识和信息"是好的，故选B。
3.答案：A
解析：细节理解题。根据文章倒数第二行中Treat other people as you'd like to be treated. Never use bad language.可知就像你想如何被别人对待那样去对待别人千万不要说脏话。故选A。
4.答案：C
解析：细节理解题。根据Never agree to meet someone you met on the Internet without your parent's permission (允许). Never meet anyone you met online alone.没有你的父母的同意绝不要同意和你在网上遇到的网友见面，绝不要单独和你的网友见面，可知如果没有父母同意，绝不"能和你的网友见面"，答案是C。
5.答案：D
解析：主旨大意题．通读全文，尤其是根据第一段中 Here are some rules to make sure you are safe and have fun on the Internet.可知这里有一些规则，用来确保你是安全的，并在网上玩得开心，因此可知本文主要针对青少年上网问题，向他们提出了几点需要注意的上网安全规则，故选D。

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