A．Because there is no one in charge of the Internet.

　　B．Because some people like to buy banned products on the Internet.

　　C．Because X－rated materials, ecause people who operate businesses on the Internet are criminals.

　　()17.Parental controls are needed when children use the Internet because ________．()18.We________.

　　A．to improve the computers

　　B．to improve people's moral level

　　C．to order people not to use the Internet

　　D．to find a medicine to kill computer viruses

　　三、根据短文内容从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Internet activities of their children. 19.______ But they might not have considered how they're going to ensure(确保) kids' safety online. Here are a number of tips to help protect kids' safety online.______ A good understanding of technologies such as QQ, e－mail, (论坛), chat rooms, and social networking sites will all be important for ensuring kids' safety online.

　　21.______ For example, in the beginning you may insist that the Internet only be used while the child is accompanied by a parent. This would be useful for guiding your children through their “first－time” experiences on the web and making sure that they develop good online habits.

　　Keep the computer in a central place to ensure that your kids' online behavior is being watched. You don't need to stand over them, but just knowing that you are there will make them less likely to search the web for negative information.

【2017届高考英语一轮复习考点集训：Module7 Unit3《The World online》（牛津译林版含答案）】相关文章：

★ 【三维设计】2017届高考英语（江苏专用）二轮复习课件：必修4 Unit 3《Tomorrow’s world》

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (3)

★ 2014届高考英语一轮复习课时作业(九)必修2Module 3《Music》（外研版）

★ 2017届高考英语二轮复习大题冲关秘籍语法填空：创新押题（含解析）

★ 2014届高考英语一轮复习课时作业(三十六)选修6Module 6《War and Peace》（外研版）

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修5 unit5《First aid》

★ 2017届高考英语二轮复习课时训练：16（含解析）

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修8 unit5《Meeting your ancestors》

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之记叙文：创新押题（含解析）

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（19）及答案