资源简介

Unit 3 Safety Lesson 18 Never Catch a Dinosaur 课后检测
一、单项选择
1.With the development of 5G technology, our daily lives have become______.
A. more and more convenient
B.the most convenient
C.convenienter and convenienter
D.convenient and more convenient
2.—How did you come to Baoding
—By high-speed rail. It ______ only 28 minutes to get here.
A. spent B. paid C.cost D.took
3.—Miss Li, can you tell me how to improve my writing skills
—Certainly. I advise you ______ a diary in English every day.
A.to keep B.keeping C.kept D.keep
4.My father often watches me ______ basketball in his free time.
A. play B.played C. to play D.playing
5.We should ______ the teacher Zhang Guimei. Her spirit of never giving up often encourages me.
A. hear from B.worry about
C.learn from D.think about
6.—I wonder ______.
—It was wonderful! We had fun at the city park.
A. where you went last weekend B. how your last weekend was
C. why you were busy last weekend D. what you did last weekend
7.—Sam, ______ run in the hallways. It's very dangerous.
—Sorry, Ms. Black.
A. do B.don't C.not D. doesn't
8.______ we always wait for another day, fruitlessly our life will pass away.
A. Until B.If C. Although D. Whether
9.—Lucy, you can't use the phone ______ we are far from the gas station (加油站).
—OK, I won't do that again.
A. after B. when C. though D. until
10.The toys are so beautiful. I like ______ all of them.
A.only B. yet C.almost D.never
二、阅读理解
Computers are useful, but they can also harm you. Usually, most other injuries happen suddenly. For example, if you fall and break your arms, it happens very quickly. But computer injuries happen slowly. Therefore, you need to learn to use a computer safely.
Your Eyes
Too much light can harm your eyes, so never sit too close to a computer screen. Your eyes should be at least 50 cm away from the screen. Remember to look away from it sometimes. This gives your eyes a rest.
When you use a computer, the window should be on your left or your right. If it is behind you, it will reflect the light of the screen. If the window is in front of you, the sun and the screen will both shine into your eyes.
Your Hands and Wrists(手镯)
Hand and wrist injuries can happen because the hands and wrists move in the same way for hundreds of times. If you use a keyboard for a long time, follow these three rules: 1) Rest your wrists on something. 2) Keep your elbows at the same height as the keyboard. 3) Don't work all the time and exercise your hands, wrists and fingers in different ways.
Your Back
Some people sit for many hours in front of a computer. If you sit in the wrong way, you can harm your back or your neck, so you should sit with your back straight. The top part of the screen should all be in front of your eyes. Your forearms, wrists, hands and the upper part of your legs should all be parallel(平行的) to the floor. If you are sitting for a long time, get up every 30minutes and exercise your arms, legs and necks.
Enjoy your computer, but use it safely.
1. A computer screen may harm your eyes if _____.
A. you sit 60 cm away from it B. you remember to have a rest
C. your eyes are too close to it D. the window is on your left or your right
2. Hand and wrist injuries are caused when you _____.
A. get enough exercise
B. rest your wrists on something
C. keep your elbows as high as the keyboard
D. move hands and wrists in the same way again and again
3. Your eyes and hands will be safe if _____.
A. you often take a rest from working B. you use a keyboard for a long time
C. you work near a window D. the window is behind you
4. It is good for your back and neck if you sit _____.
A. with the screen below your eyes B. with your back leaning forward
C. for a lot of hours D. with your back straight
5. What can be the best title for the text
A. How to Protect Your Hands and Wrists B. How to Use a Computer Safely
C. How to Protect Your Eyes D. How to Protect Your Back
答案以及解析
一、单项选择
1.答案：A
解析：根据语境并结合选项可知此处表示“越来越便利”,convenient为多音节词,应用more and more convenient。故选A项。
2.答案：D
解析：It takes/took (sb) some time to do sth意为“做某事花费(某人)多少时间”,为固定句型。
3.答案：A
解析：advise sb to do sth 意为“建议某人做某事”,为固定用法。故选A项。
4.答案：A
解析：watch sb do sth意为“观看某人做某事”,强调观看某人做某事的全过程或经常观看某人做某事。故选A项。
5.答案：C
解析：hear from意为“收到……来信”;worry about意为“担心”;learn from意为“向……学习”;think about意为“思考;考虑”。此处指向张老师学习,故选C项。
6.答案：B
解析：根据题干，可知本句为宾语从句，从句用陈述句语序，故排除选项C和D；根据"It was wonderful! We had fun at the city park.（太棒了！我们在城市公园玩得很开心。）"可知我想知道你上个周末过得怎么样。选项A. where you went last weekend"上周你去哪里了"。故选B正确。故选：B。
7.答案：B
解析：根据语境可知,此处指“不要在走廊里跑”;祈使句的否定结构为“don't+动词原形(+其他)”,故选B项。
8.答案：B
解析：句意为:如果我们总是等待另一天,我们的生命将徒劳地逝去。分析句子结构可知,此处应用If引导条件状语从句。故选B 项。
9.答案：D
解析：考查连词。句意:——露西,直到我们离加油站很远时,你才能使用手机。——好吧,我再也不那样做了。after在……之后; when当……的时候; though虽然; until直到。not…until…意为“直到……才……”,故选D。
10.答案：C
解析：only 意为“仅仅”;yet意为“还”;almost意为“几乎”;never意为“从不”。由上一句可知此处表示喜欢几乎所有玩具,故选C项。
二、阅读理解
1.答案：C
解析：细节理解题。由Your Eyes中的"Too much light can harm your eyes, so never sit too close to a computer screen."可知,如果眼睛离电脑屏幕太近,那么眼睛会受到伤害。
2.答案：D
解析：细节理解题。由Your Hands and Wrists中的"Hand and wrist injuries can happen because the hands and wrists move in the same way for hundreds of times."可知,当你的手和手腕以同样的方式反复移动很多次时,手和手腕可能会受伤。
3.答案：A
解析：推理判断题。结合全文内容及常识可推断,如果你经常停下工作休息一下,那么你的眼睛和手就不会受到伤害。
4.答案：D
解析：细节理解题。由Your Back中的"If you sit in the wrong way, you can harm your back or your neck, so you should sit with your back straight."可知,背部挺直坐着对背部和颈部都有好处。
5.答案：B
解析：标题概括题。由第一段中的"Therefore, you need to learn to use a computer safely."可知,本文主要介绍了如何安全地使用电脑。

展开更多......

收起↑