How to protect children Web fans from un

题型:阅读理解

问题:

How to protect children Web fans from unsuitable material on-line while encouraging them to use the Internet has long been discussed in the US.

For some parents, the Internet can seem like a jungle, filled with danger for their children. But jungles contain wonders as well as danger. With good guides, some education, and a few precautions(预防 ), the wilds of the Internet can be safely navigated. “Kids have to be on-line. If we tell our kids they can’t be allowed to surf the Internet, we’re cutting them off from their future,” said an expert.

Most kids have started to use search engines. Many of them are great for finding tons of interesting Internet sites, and they can also locate places where you might not want your kids to go. There are search engines designed just for kids. A certain software contains only sites that have been selected as safe. The most popular way would be to use what is known as a “content screener”. But this can’t be wholly reliable(可靠 ), and the best thing parents can do is to talk to their kids and let them know what is OK or not OK to see or do on the Internet. Another way is that mum or dad is nearby when the child is surfing the Internet.

A few other tips:

—Do not put the PC in a child’s room but keep it in an area where mum or dad can keep an eye on things. That also makes the Internet more of a family activity.

—Ask your child what he or she has been doing and about any friends they make on-line.

―Tell your child not to give on-line strangers personal information, especially like address and phone number.

And tell your children never to talk to anyone they meet on-line over the phone, send them anything, accept anything from them or agree to meet with them unless you go along.

小题1:What is the best way to protect children from improper material?

A.To talk to the children and persuade them to tell right from wrong.

B.To be nearby when the children are surfing the Internet.

C.To fix a content screener on the computer.

D.To buy some search engines for children.小题2:Which of the following statements is true according to the passage?

A.Surfing the Internet is the best way of educating children.

B.Using a content screener is most reliable for keeping children from having ways to the Internet.

C.Searching engines can help children to select materials fit for them.

D.Children’s not having chances to go to the Internet may have effect on their progress.小题3:According to the passage, we can infer that ____.

A.softwares that are fit for children who want programming

B.the Internet contains a lot of harmful sites

C.the Internet will be protected by law

D.a child who is on-line is in danger小题4:What does the passage tell us most?

A.Education

B.Good guides

C.Precautions

D.Software

考点:科教类阅读
题型:阅读理解

某院重症医学科有1位颈椎骨折患者。

对该患者的呼吸机相关性肺炎(VAP)预防措施应包括()。

A.将床头抬高30°~45°

B.注意患者口腔护理

C.指导患者正确咳嗽

D.必要时翻身、拍背

E.严格掌握气管插管或切开适应证

F.使用呼吸机辅助呼吸的患者应优先考虑无创通气

题型:阅读理解

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题型:阅读理解

流行病学实验研究最重要的优点是()。

A.流行病学实验研究可以提高评价、预防和治疗等方面干预措施的正确性

B.实验者可决定干预措施的方案

C.盲法试验可提高研究对象的依从性

D.随机化分组可提高实验组和对照组的可比性

E.可以控制研究过程的偏倚

题型:阅读理解

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A.报表页脚

B.页面页脚

C.主体节

D.页面页眉

题型:阅读理解

功率大,单位时间内做的功就多。

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