5G networks have been considered as one big thing for this century. They allow people to get faster services. Downloading information takes only seconds, instead of minutes.

But no true 5G phones are able to be used now. It won’t work with 5G until such services are built. Users will need an adapter to bring in 5G signals. There’s completely no need for users to worry about the safety of 5G signals.

Where will we probably see 5G first? The answer is in our living rooms. The speeds, about 20 times faster than the standard home Internet connection, are very likely to do wonders in our living rooms. Many users are tired of spending $100 or more monthly in booking cable(有线的) TV. They no more choose cable TV and begin to use streaming(在线播放) services connected to their broadband(宽带) service instead.

Besides faster access, connectivity might get a little cheaper in future for users only if a complete 5G network is set up. However, the cost of programs and apps will go up. Meanwhile, users are in great need of ordering more monthly services. Comparatively speaking, users are likely to pay more for 5G services.

So far now, it’s mainly used at home.

1.People can feel 5G’s advantage directly by its _____.

A. surprising speed B. comparatively low cost

C. powerful function D. convenient Internet connection

2.Why are 5G phones not widely used today?

A. Because services are limited. B. Because special equipment isn’t built yet.

C. Because 5G signals are not strong enough. D. Because the safety of 5G signals is not for sure.

3.What will the writer probably write about next?

A. 5G’s role. B. 5G’s history. C. 5G’s influence. D. 5G’s development.

4.Where does this passage probably come from?

A. A story book. B. A science fiction. C. A popular science book. D. A research report.

阅读下面信息,用恰当的词完成下面的短文,每空一词。

Science is about asking questions. A science fair project is an experiment or a research effort. Through such a project, you learn how to find problems and how to solve them.

A science fair project includes at least three parts: the display poster board, the exhibit (展览) materials, and the written report.

The display poster board

The display poster board is very important. It is what people first see. As a kind of "advertisement" for your project, it must be carefully designed. Usually, the board should include the key points of your research.

The exhibit materials

These materials can be the most exciting part of any science project. They usually include the items you used in your project. Together, they tell a story. People should be able to understand your project on their own through these materials.

The written report

No matter what you do, you need to record your findings in a written form. The written report should include all the information you collected while you were working on your project. The report may also include your understanding of the topic you choose.

A science fair project is an experiment or a research effort, 1. at least three parts. First, the display poster board is of great 2.. There are some key points of your research on it. So it must have a 3. design. Second, the exhibit materials can be the most exciting part of a science project. People should be able to understand your project 4. through these materials. Third, it is 5. to record the things you found in a written form. The written report includes not only all the information you collected but also your understanding of the topic you choose.

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