Eight problems in Chinese reading

Please draw up a suitable topic for this article: Whether microwave power transmission is feasible needs further study.

2 1, please summarize the meaning of the three paragraphs in this article in one sentence. (3 points)

① Microwave can solve the transmission problem of solar power generation.

② Practical application of microwave.

③ Microwave power transmission needs further research and experiment.

22. "There is almost no energy loss when microwaves are transmitted in space, and the loss when they pass through the atmosphere is only 2%." Can you get rid of the word "almost" in one sentence? Why? (3 points)

A: You can't delete the word "almost" because "almost" doesn't mean "no". If deleting this word is not rigorous from a scientific point of view and conflicts with the latter sentence from a grammatical point of view, then this sentence is a sick sentence.

23. The editor's lead before Unit 6 "High-tech" in Chinese textbooks said: "High-tech has decorated the colorful world and brought revolutionary changes to human life, production, survival and development." Please give examples to illustrate the changes that high technology has brought to our lives, and briefly explain them as a way of comparison. (2 points)

Camera. In the past, they were all optical cameras, and the cost of photography was too high for many people, especially novices. After the popularization of digital cameras, this problem was solved. Let me give you an idea. I hope it works for you. )