题型：选词填空（语篇） 题类：常考题 难易度：普通
辽宁省鞍山市铁东区2020-2021学年九年级下学期英语3月学业质量监测试卷
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pollute, it, simple, lie, easy, on, which, such as, from, throw, who, use |
Don't throw away your old phones. You are actually away real gold! Smartphones have many useful metals, gold, silver and copper(铜). People can recycle to make new electronics (电子器件).
But many people don't know this. In Australia alone, there are more than 25 million unused mobile phones around, the Sydney Morning Herald reported. The gold in these phones can add up to a value of more than $80 million (542 million yuan). There are about 2 billion smartphone users around the world change their phone once every 11 months on average, In China, people throw out 80 million old phones every year, according to New Express Daily.
However, it's not easy to recycle these metals. Smartphones not only have metals, but also harmful materials. Guiyu, a small town in Shantou, Guangdong, is one of the world's biggest landfills (垃圾填埋厂) for electronic waste, Reuters reported. Many recycling centers in Guiyu break down old electronics by hand and don't think about the it causes. According to a local government report, 81 percent of children in Guiyu are harmed by lead poisoning(铅中毒).
Veena Sahajwalla, a professor at Australia's University of New South Wales, has made a mini factory. If makes smartphone recycling cleaner and. The mini factory is very small and easy to move around. It breaks down phones and automatically (自动地)removes the phone's useful metals. This stops people being poisoned.
arrive slim sing correct wonder |
My mother is a teacher. She is 36 years old. She is from China but her students are Americans. {#blank#}1{#/blank#} My sister is a student in a middle school. She is fourteen. She likes English and she is good at it. {#blank#}2{#/blank#} My mother is a housewife (家庭主妇). She can cook nice food. We love her. {#blank#}3{#/blank#} My father is nice to me. He likes playing games with me. I like my father. {#blank#}4{#/blank#} My grandpa is old. His hair is grey (花白的). He likes writing. He is a great writer. {#blank#}5{#/blank#} | A. Mr Miller writes many funny stories. Children like reading his book. He is very happy because he can do something for the kids. B. Grace is a good student at school. She can speak English well. She wants to be an English teacher in the future. C. Linda is a housewife but she is not good at cooking. She goes to cooking classes on weekends. D. Bob is 42 years old. He likes playing games with his children. He thinks it's important to be with his kids. E. Jane works in a school. She teaches American students Chinese. She is a nice teacher. If you need any help, you can go and meet her in the school. Her telephone number is 13715933222. F. Jenny is my new friend. Her last name is Smith. She is from America. She is now learning Chinese in Shanghai. G. Julie is a good mother. She doesn't go to work. She cooks nice food for her children. |
Do you play with your phone before bedtime? {#blank#}1{#/blank#}According to a US study, looking at electronic screens at night can't help us to sleep well. Now let me tell you how we get bad sleep.
In the evening, our bodies make melatonin (褪黑素). {#blank#}2{#/blank#}. It's an important part of our sleep. But our electronic screens stop that working as usual. Why? Phones, computers and TVs make blue light. {#blank#}3{#/blank#}Even just a little blue light can have an effect. Eight minutes of blue light can keep your brain "awake" for an hour. Even if you sleep, you may have lots of dreams.
It's worse if you play an exciting game before bedtime. Games make our hearts beat faster. {#blank#}4{#/blank#}. Then even after we sleep, we don't get enough "deep sleep".
{#blank#}5{#/blank#}. Don't worry. First, do something relaxing every night—take a warm shower or read a book. Next, sleep in a dark, quiet room that is not too warm or too cold. Also, you can count sheep. It works! And don't eat a big meal or have coffee. You'd better drink milk. Finally, don't run or exercise three hours before bedtime.
A. It helps us relax and want to sleep. B. So it will be harder for us to sleep. C. How can we get a good night's sleep? D. You'd better read a book instead. E. The more you play games, the more you want to. F. Why don't you drink some milk now? G. Blue light stops our bodies from making melatonin. |
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