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北师大版英语九年级全册 Unit 9 Save the Planet. Lesson 26 Our River.同步练习

阅读理解

    Have you ever stayed in a hotel? Most Chinese hotels often provide guests with things like disposable (一次性的) toothbrushes, toothpaste, shampoo and slippers. Many guests like the idea because they don't have to bring their own. But, if you travel to Beijing, remember to bring your own things. Starting from June, some hotels in Beijing will no longer provide guests with these disposables. They want to ask people to use less disposable things.

    Many disposable things are made of plastic. People throw them away after only using them once. It is a waste of natural resources (资源) and is very bad for the environment. Do you know, one Chinese person makes as much as 400kg of waste a year! Most of that waste comes from disposable things. In Beijing, people throw away about 19,000 tons of plastic bags and 1,320 tons of plastic lunch bowls every year! Plastic can take between 100 and 400 years to break down. So the less plastic we throw out, the better. So, wherever you travel, bring your own things and use them again and again.

    Back at home and school, you can also do something to make our world a better place. Try to do these things in your daily life: Use cloth shopping bags, not plastic ones. After using a plastic bag, wash it out and let it dry. Then you can use it over and over again. Do not use paper cups. At your school canteen(食堂), use your own bowl and chopsticks instead of disposable ones.

(1)、Why do many hotels provide guests with some disposable things?
A、Let their guests be convenient during their travelling. B、Hope their guests use less disposable things. C、Wish their guests to save money. D、Want their guests to use more disposable things.
(2)、Some Beijing hotels will no longer provide guests with ____.
A、cheap food and drink B、disposable things C、good service D、free TV programs
(3)、Which of the following is NOT true?
A、Many disposable things are made of plastic. B、Throwing disposable things away is a waste of natural resources. C、Plastic is very bad for the environment. D、Plastic breaks down easily.
(4)、What can we do to make our world a better place at home and school?
A、Use shopping bags made of plastic. B、Do not throw away paper cups. C、Use disposable plates, bowls and chopsticks. D、Do not forget to reuse daily necessities(日用品).
(5)、We can tell from the story that ____.
A、people don't like disposable things at all B、we can't use paper or plastic bowls at school C、we should use less plastic things and protect our environment D、hotels won't provide disposable things because they want to save money
举一反三
阅读下列短文,从各题所给的A、B、C、D四个选项中选出最佳选项

    Artificial intelligence(AI)(人工智能)is the ability of a computer program or a machine. The computer or the machine with AI can think and learn. It is also a field of study that tries to make computers "smart". John McCarthy, a scientist, came up with(提出)the name "artificial intelligence" over 60 years ago. Many things such as learning and problem solving can be done by computers, though not in the same way as people do.

    An unusual goal of AI research is to create computer programs. They can learn, solve problems, and think logically(逻辑地). At present, Al can successfully understanding human speech, recognizie (识别)human faces, operate self-driving cars and compete in some game systems like playing Chess. However, Some people also consider(认为)AI a danger to humans if it develops too quickly. A famous British scientist also was not for this kind of technology.

    Math is the basic language of AI. If students are good at math, they will be more likely to become successful AI designers(设计者)in the future. We need not only bright students, but also average(普通的)students. As for(对于)average students ,if they get enough math skills, they can also become successful AI designers. Besides, a good knowledge of computer science is also necessary for AI designing.

    Scientists hope to create creative(有创造力)and emotional (有感情的)AI. The AI can possibly understand human feelings or create art. Many ways and tools have been tried to discover this wide and exciting field.

阅读理解

On a boat near Costa Rica, a team of scientists is helping a turtle (海龟). The animal is having trouble breathing, and the team discovers the reason—there is something inside its nose. A scientist tries to take out the object, but the turtle cries in pain. At last, after eight long minutes, a long object is pulled out: It is a plastic straw(塑料吸管).

The video about how the turtle was saved has been watched millions of times on the Internet. It has helped to realize a growing problem: The world's seas are full of plastic. Since 2000, there has been a huge increase in worldwide plastic production, but we recycle (回收利用) less than one-fifth of it.

A lot of plastic waste ends up in the sea. Today, scientists think about 

8.1 billion kilos goes into the sea every year. Most of this plastic will never biodegrade(生物降解). This sea plastic hurts millions of sea animals every year. Some fish eat. plastic because it looks and smells like food. "Imagine you ate lunch and then just felt weak... and hungry all day," says Matthew Savoca from Columbia University. In some cases, eating pieces of plastic can even cause sea animals to die.

Plastic is useful to people but this is bad news for sea animals. According to Savoca, "Single-use plastics are the worst." These are things that are used only once before we throw them away. Some common examples include straws, water bottles and plastic bags. About 700 sea species (including the turtle from the video) have eaten this kind of plastic. Luckily, the turtle got saved and backed to the sea.

How will plastic have an influence on sea animals in the long term? "I think we'll know the answers in 5 to 10 years' time," says Savoca. But by then, another 25 million tons of plastic will already be in the sea.

 请阅读下面短文,根据所提供的信息,回答5个问题。要求所写答案语法正确、语义完整切题,并将答案写在答题卡对应题目的答题位置上。

It's true that there are some bad people on the internet. They try to get your money or information. So it is necessary to be careful of the internet. However, staying safe online doesn't ask you to turn your internet off. The following advice will help you keep away from dangers on the internet.

●Check the links(链接) carefully

You may often need to click(点击) links when you check your emails or read online. Before clicking them, you should make sure they are safe. There's a good way to tell whether a link is safe. First, put the mouse over it and the full link will appear near the mouse. Then you can check whether this link is an official(官方的) website. If it is, then you can click it.

●Don't share your personal(个人的) information

You should never tell others your own information online, such as your family information and bank information. You should also know that anything you post on the internet may stay there online for a long time. So, be careful about anything you post on the internet.

●Remember to use a safe public Wi-Fi

If a public Wi-Fi is open for everyone, it may be not safe. You'd better not use such a Wi-Fi. When you have to use one, don't enter in(输入) any personal information.

 用方框中所给词或短语填空,使文章通顺、连贯、合理。

good, each, ugly, abilities, improving, freely, subject, pass by, express, brain, healthy

Art has always been my favorite {#blank#}1{#/blank#} because it allows me to do my favorite bobby. I still remember when I was young, I would always paint on books, pieces of paper and walls. But now in school, there are only four art lessons {#blank#}2{#/blank#} week. I notice that every lesson seems to {#blank#}3{#/blank#} quickly because I lose myself in my artwork. Drawing takes me to a wonderful world.

I love drawing so much that whenever I have time between classes, I find myself drawing something. I have spent so much time {#blank#}4{#/blank#} my skills that even my classmates are often surprised. But I never talk with too much pride about my {#blank#}5{#/blank#} and I am always thankful for their praise. 

I especially enjoy drawing cartoons because I can just shut off my {#blank#}6{#/blank#} and let my creativity run {#blank#}7{#/blank#} like a horse. Once in a while, I draw things that even surprise myself. Some are pretty, while others are {#blank#}8{#/blank#} that should not be seen by the teachers. They are only for my classmates. 

So, I must say that I always feel {#blank#}9{#/blank#} when I am drawing something enjoyable. For me, drawing is a natural way to {#blank#}10{#/blank#} myself. It allows me to follow my instincts (直觉) easily and lets my feelings guide my hand. 

 阅读下面短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。

The top﹣selling album(唱片),Songs of the Humpback Whale,was made public in 1970. This collection of nature recordings changed the way many people thought about whales,and it helped save thousands of wha les. 

The album might never have been made without a sound engineer named Frank Watlington. In the 1960s,Watlington was making underwater recordings when he noticed some strange,deep sounds. He realized they were coming from whales. Watlington played the recordings for a pair of scientists named Roger Payne and Katy Payne. When they listened,they fell in love with these beautiful voices at once. 

Katy Payne studied music as well as animals,and she was greatly surprised by how the whales communicated using sounds like an opera singer. She also noticed another interesting fact:the sounds had clear patterns. According to scientists,an animal sound with a repeating pattern is called a song. Some scientists even compared these singing animals to musicians. 

The Paynes thought that other people should also hear the beauty of the whales' songs. So Roger made the recordings into an album. The time when the album came out,whales were often caught,killed and traded for money. Some kinds were even in danger of dying out. Most people had never thought that whales could communicate through songs. But after hearing the album,they began to think differently. 

The album led people to take action to save whales. Musicians began using whale songs in their music,and whales were included in movies and television shows. In 1982,a ban to stop deep﹣sea whaling was made. Before it,in the 1950s and 1960s,more than fifty thousand whales per year were killed. After it,the number went down below two thousand. 

It might seem impossible that just one album could help save the lives of so many whales. But this album told people secrets about whales that had long been hidden under the sea. It allowed whales to finally share their songs with the human world. 

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