牛津深圳版七年级英语上册Unit 3 单元知识专练VIP

牛津深圳版七年级上册Unit 3 单元知识专练姓名:_ 班级:_ 成绩:_一、完型填空Computers can injure (伤害) you. Most other injuries happen suddenly. For example, if you fall over a bike and break your arms, it happens very_But computer injuries happen slowly. You probably know how to ride a bike safely. Now learn to use a computer safely.Your eyes_light can injure your eyes,_never sit too close to a computer screen. Your eyes should be_centimeters（厘米）from the screen_remember to look away from it. This gives your eyes a rest. When you use a computer, the window_be on your left or your right. If it is behind you, the light will reflect on（反射）the screen. If the window is in front of you, the sun and the screen will_shine into your eyes.Your hands and wrists(手腕)Hand and wrist injuries can happen because the hands and wrists are moved in the same way hundreds of times. If you use a keyboard for a long time,_these three rules： 1）Rest your wrists on something. 2）Keep your elbows（肘）at the same height as the keyboard. 3）Stop sometimes and exercise your hands, wrists and fingers in a different way.Your backSome people sit for many hours in front of a computer. If you sit in the wrong way, you can injure your back or your neck. So you should sit with your back straight. The top part of the screen should be in front of your eyes. Your forearms, wrists, hands and the upper part of your legs should all be parallel（平行）to the floor. If you are sitting for a long time, get up every 30 minutes and_your arms, legs and neck._your computer, but use it safely.1 . Amuch quicklyBfasterCslowlyDquickly2 . AToo manyBToo muchCMuch tooDMany more3 . AsoBbecauseCbutDwhen4 . Aat lastBat mostCat leastDless than5 . ASometimeBSome timeCSome timesDSometimes6 . AcanBmayCmustDshould7 . AbothBneverCallDneither8 . AfollowBworkCcopyDwrite9 . AneedBexerciseCwalkDshake10 . AEnjoyBWatchCProtectDKeep二、阅读单选Scientists who study the climate are still arguing about how fast the earth is warming and how much it will warm, but they do agree that the earth is warming and that it will keep warming if we dont do anything about it.Scientists agree that the burning of fossil fuels (化石燃料) like oil and coal cause greenhouse gases to escape into the air and that these gases are causing most of the warming. Another cause is deforestation (cutting down trees) . Trees_carbon dioxide, one of the greenhouse gases, from the air.There are already some changes happening because of global warming. Sea level is rising and some animals are already moving to new homes. Its already too late to stop global warming completely.If the warming gets worse, as scientists expect, there may be some kinds of plants and animals that is disappearing because they cant move to new homes. There may be more storms and floods. Sea level may rise so much that people have to move away from the coasts. Some areas may become too dry for farming.Global warming is a very difficult problem to fix. People are having a hard time agreeing on what to do about it. For example, everyone agrees that wasting energy is a bad thing to do. But some people think that the federal government (联邦政府) should make laws about it, while other people think it should be up to each person or business to decide what to do.Many states and businesses in the United States are not waiting until the federal government decides what to do. They have already started working on the problem.11 . What are the scientists arguing about in the passage?AHow fast is the earth warming?B. How much will the earth warm?BThe earth will keep warming if we dont do anything about it.CBoth A and B.12 . What does the underlined phrase “soak up” mean?Atake inBgrow upCtake offDset up13 . What may be the causes of global warming?AThe disappearance of plants and animals and the wasting energy.BThe burning of fossil fuels and storms and floods.CThe burning of fossil fuels and deforestation.DThe rising of sea level and deforestation.14 . What is the best title of this passage?AThe reason for global warmingBHow to stop global warmingCThe changes to the worldDThe global warming三、句型转换15 . Both Tom and Jack hate playing the piano.（改同义句）_ Tom _ Jack likes playing the piano.16 . The banker was unhappy because he was worried about losing his money.（就划线部分提问）_ the banker unhappy ?17 . Mr. Smith will arrive in Beijing in three days.（就划线部分提问）_ will Mr. Smith arrive in Beijing ?18 . She cried because of the sad movie. （改同义句）The sad movie made _.19 . He found nothing wrong with his body.（改同义句）He found that there _ wrong with his body.四、完成句子完成单词或句子20 . Do you know what the exact _ (人口) of China is?21 . Every Chinese takes pride in our scientific _ (技术), such as high-speed railways.22 . A _（四分之一） of the students are taking the course Basic Football, improved their sports skills.23 . 扬州位于江苏中部，以其悠久的历史和文化而闻名。_根据学过的课文补全句子24 . 不幸的是大熊猫在野外面临严重的问题。_, giant pandas face serious_in the wild.25 . 它是世界上最重要的湿地之一。Its one of the worlds _important _.26 . 蜜蜂和蝴蝶在花丛中快乐地嬉戏。Bees and the butterflies play_flowers _27 . 然后我听到了激动的人群的叫喊声。Then I heard shouts from_people.28 . 尽快逃出去。_ to get out as soon as _完成句子。29 . 迈克擅长打电脑游戏。(good)Mike is_ playing computer games.30 . 我们的英语老师总是在课堂上给我们讲故事。(tell)Our English teacher always _ to us in class.31 . 请放学后跟张老师说。(talk)Please _ Mr. Zhang after school.32 . 你想与我交朋友吗？(make)Do you want to _ with me?33 . 露西的英语很好, 她总是在英语上帮助我。(help)Lucys English is very good, and she always _ me _ it.根据汉语意思完成英语句子，每空一词。34 . 我儿子经常在家帮助做家务。My son often_ at home.35 . 早上她几乎什么都没吃。She_ eats anything in the morning.36 . 下个周末我有空，我会去看你。Ill_ next weekend and Ill visit you.37 . 熬夜