are able to see a little in darkness.And we don't need to light the whole city just to create a beautiful night view. We should try to turn the lights off to save the earth and all the living things from light pollution.(1)Why can't people see many stars in the city at nig...
Only few people know that life is beautiful for lacking something. The so-called turning-around is that you not only miss the sun in day time but also the stars at night. 只有很少的人才懂得,人生是因为缺憾而美丽。而所谓的回头,只不过是丢掉了白天的太阳之后,又错过了夜晚的星星。 Others' ...
To that end, the researchers are exploring whether white light atnightprovokes a similar physiological response in people. For four nights in a row, they outfit one group of hospitalized cardiac patients in special "gaming glasses" with orange lenses that filter out the troublesomeblue light. Wear...
And we don’t need to light the whole city just to create a beautiful night view. We should try to turn the lights off to save the earth and all the living things from light pollution. 1. Why can’t people see many stars in the city at night? A. The city has many high ...
1.helpful boyoften helps people around him. He is very popular in 2.our schoolhe is polite to everyone. As for my dream 3.,I want to be a teacher,I'll make friends with my kids. Like many other 4.boys,sports,but maths and science are my favorite. ...
”Letters do have their own irreplaceable strong point.Letters are all written by people and they have great sentimental value. Let me put it this way,people always clear their mailboxes or delete the incoming call records of their cell phone. However, we seldom see people tear up the ...
C. Animals can lose their way because of man-made lights. D. Man-made lights can help nocturnal animals see better at night.18. Which of the following would be the writer's purpose? A. To ask people to save the endangered animals. B. To explain why the number of animals is droppi...
Today, more and more students are using the APP zuoyebang. However, different people have different ideas about it. Some people think it's useful. The APP zuoyebang can help students to solve problems in their studying in time. It's easy and convenient for them to study at home. They can...
根据第二段To see whether office workers get enough light to improve their sleep-wake cycle,the study team found participants(参与者) in five government office buildings across the country.A total of 109 people working at the offices wore something that could measure light for ...
Before you get your paintbrushes out, get a good night’s rest. People are much more creative when they rest well. Get a good night’s sleep and you are worth it.1题完成句子:2~3题简略回答问题;4题找出并写下全文的主题句;5题将文中画线句子译成通顺的汉语。1. The simplest way to impro...