五年级英语科技发展练习题30题(答案解析)
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五年级英语科技发展练习题30题(答案解析)
1.There is a new invention. It can help us clean the room quickly. What is it?
A.robot
B.book
C.pen
D.apple
答案解析:A。
选项A“robot”是机器人,可以帮助我们快速打扫房间。
选项B“book”是书,不能打扫房间。
选项C“pen”是钢笔,也不能打扫房间。
选项D“apple”是苹果,同样不能打扫房间。
2.This new invention can take pictures. What is it?
A.camera
B.ruler
C.pencil
D.eraser
答案解析:A。
选项A“camera”是照相机,可以拍照。
选项B“ruler”是尺子,不能拍照。
选项C“pencil”是铅笔,不能拍照。
选项D“eraser”是橡皮,不能拍照。
3.The new invention can play music. What is it?
A.phone
B.desk
C.chair
D.blackboard
答案解析:A。
选项A“phone”是手机,可以播放音乐。
选项B“desk”是书桌,不能播放音乐。
选项C“chair”是椅子,不能播放音乐。
选项D“blackboard”是黑板,不能播放音乐。
4.This new invention can help us find the way. What is it?
A.map
B.pencil case
C.pencil sharpener
D.scissors
答案解析:A。
选项A“map”是地图,可以帮助我们找到路。
选项B“pencil case”是铅笔盒,不能帮我们找路。
选项C“pencil sharpener”是卷笔刀,不能找路。
选项D“scissors”是剪刀,不能找路。
5.The new invention can tell us the time. What is it?
A.watch
B.pencil
C.eraser
D.book
答案解析:A。
选项A“watch”是手表,可以告诉我们时间。
选项B“pencil”是铅笔,不能告诉时间。
选项C“eraser”是橡皮,不能告诉时间。
选项D“book”是书,不能告诉时间。
6.This new invention can fly in the sky. What is it?
A.plane
B.car
C.bus
D.bike
答案解析:A。
选项A“plane”是飞机,可以在天空中飞。
选项B“car”是汽车,在地上行驶。
选项C“bus”是公交车,也在地上行驶。
选项D“bike”是自行车,同样在地上行驶。
7.The new invention can make our life more convenient. What is it?
puter
B.desk
C.chair
D.blackboard
答案解析:A。
选项A“computer”是电脑,可以让我们的生活更方便。
选项B“desk”是书桌,不能让生活更方便。
选项C“chair”是椅子,不能让生活更方便。
选项D“blackboard”是黑板,不能让生活更方便。
8.This new invention can save a lot of energy. What is it?
A.solar panel
B.book
C.pen
D.pencil
答案解析:A。
选项A“solar panel”是太阳能电池板,可以节省很多能源。
选项B“book”是书,不能节省能源。
选项C“pen”是钢笔,
不能节省能源。
选项D“pencil”是铅笔,不能节省能源。
9.The new invention can communicate with people far away. What is it?
A.telephone
B.pencil case
C.pencil sharpener
D.scissors
答案解析:A。
选项A“telephone”是电话,可以和远处的人交流。
选项B“pencil case”是铅笔盒,不能交流。
选项C“pencil sharpener”是卷笔刀,不能交流。
选项D“scissors”是剪刀,不能交流。
10.This new invention can help us see things in the dark. What is it?
A.flashlight
B.pencil
C.eraser
D.book
答案解析:A。
选项A“flashlight”是手电筒,可以在黑暗中帮助我们看到东西。
选项B“pencil”是铅笔,不能在黑暗中看到东西。
选项C“eraser”是橡皮,不能在黑暗中看到东西。
选项D“book”是书,不能在黑暗中看到东西。
11.There are many ways that technology makes our lives easier. For example, we can use smartphones to ____ information quickly.
A.find
B.look for
C.search for
D.discover
答案解析:A。
“find”强调找到的结果,“look for”和“search for”强调寻找的过程,“discover”通常指发现以前不知道的东西。
这里说的是快速找到信息,强调结果,所以选A。
12.Technology can sometimes cause problems. For example, too much time on the computer can lead to ____ eyes.
A.tired
B.tiring
C.exhausted
D.exhausting
答案解析:A。
“tired”表示人感到疲惫的,“tiring”和“exhausting”表示令人疲惫的,“exhausted”表示非常疲惫的。
这里说的是人的眼睛感到疲惫,所以选A。
13.With the help of technology, we can communicate with people all over the world ____.
A.easily
B.hardly
C.difficultly
D.seldom
答案解析:A。
“easily”表示容易地,“hardly”和“seldom”表示几乎
不,“difficultly”表示困难地。
这里说的是科技让我们容易地和全世界的人交流,所以选A。
14.Technology has made our lives more convenient. We can do shopping online ____.
fortably
B.conveniently
C.easily
D.quickly
答案解析:B。
“comfortably”表示舒适地,“easily”和“quickly”分别表示容易地和快速地,“conveniently”表示方便地。
这里说的是网上购物很方便,所以选B。
15.Some people worry that technology may make us less social. We spend too much time on our devices and don't talk to people ____.
A.in person
B.personally
C.by person
D.with person
答案解析:A。
“in person”表示亲自、当面,“personally”表示个人地,“by person”和“with person”表达不恰当。
这里说的是我们花太多时间在设备上,不亲自和人交谈,所以选A。
16.Technology can help us solve many problems. For example, scientists use advanced technology to ____ diseases.
A.cure
B.treat
C.heal
D.recover
答案解析:A。
“cure”强调治愈,“treat”强调治疗过程,“heal”通常指伤口愈合,“recover”表示恢复。
这里说的是科学家用先进技术治愈疾病,所以选A。
17.Technology has changed the way we learn. We can use online courses to learn new skills ____.
A.easily
B.quickly
C.conveniently
D.efficiently
答案解析:C。
“easily”表示容易地,“quickly”表示快速地,“efficiently”表示高效地,“conveniently”表示方便地。
这里说的是我们可以用在线课程方便地学习新技能,所以选C。
18.Although technology brings many benefits, it also has some drawbacks. For example, too much screen time can affect our ____.
A.health
B.body
C.eyesight
D.mind
答案解析:A。
“body”范围太广,“eyesight”只是一方面,“mind”也不全面,“health”包括身体和心理等各方面,这里说的是太多屏幕时间会影响我们的健康,所以选A。
19.Technology makes it possible for us to access information ____.
A.easily
B.quickly
C.conveniently
D.all of the above
答案解析:D。
“easily”表示容易地,“quickly”表示快速地,“conveniently”表示方便地,科技让我们容易、快速、方便地获取信息,所以选D。
20.With the development of technology, we can enjoy a better life. However, we should also be aware of the possible negative impacts of technology and use it ____.
A.wisely
B.carefully
C.properly
D.all of the above
答案解析:D。
“wisely”表示明智地,“carefully”表示小心地,“properly”表示恰当地,我们应该明智、小心、恰当地使用科技,所以选D。
21.There are many new technologies that are changing our lives.
A.New technologies are not important.
B.New technologies have no effect on our lives.
C.New technologies are making our lives different.
D.New technologies are making our lives worse.
答案解析:C。
选项 A 说新技术不重要,与题干不符;选项 B 说新技术对我们生活没有影响,也与题干不符;选项D 说新技术让我们生活更糟,题干中只是说新技术在改变我们生活,没有说变得更糟;选项C 说新技术让我们生活不同,符合题干中新技术在改变我们生活的意思。
22.Science and technology are advancing rapidly.
A.Science and technology are moving slowly.
B.Science and technology are not developing.
C.Science and technology are improving quickly.
D.Science and technology are getting worse.
答案解析:C。
选项A 说科技发展缓慢,与题干中rapidly 不符;选项B 说科技没有发展,错误;选项D 说科技变得更糟,错误;选项C 说科技在快速进步,符合题干意思。
23.Technology has brought many conveniences to our daily lives.
A.Technology has made our lives more difficult.
B.Technology has not changed our daily lives.
C.Technology has given us many troubles.
D.Technology has made our lives easier.
答案解析:D。
选项A 说科技让我们生活更困难,与题干不符;选项B 说科技没有改变我们日常生活,错误;选项C 说科技给我们带来很多麻烦,错误;选项D 说科技让我们生活更容易,符合题干中带来很多便利的意思。
24.The development of technology has made communication more convenient.
A.The development of technology has made communication more difficult.
B.The development of technology has had no impact on communication.
C.The development of technology has made communication slower.
D.The development of technology has made communication faster and easier.
答案解析:D。
选项A 说科技发展让交流更困难,错误;选项B 说科技发展对交流没有影响,错误;选项C 说科技发展让交流更慢,错误;选项D 说科技发展让交流更快更容易,符合题干意思。
25.With the help of technology, we can learn more knowledge.
A.Technology makes it impossible for us to learn knowledge.
B.Technology has nothing to do with learning knowledge.
C.Technology hinders our learning of knowledge.
D.Technology helps us gain more knowledge.
答案解析:D。
选项A 说科技让我们不可能学习知识,错误;选
项B 说科技与学习知识无关,错误;选项C 说科技阻碍我们学习知识,错误;选项 D 说科技帮助我们获得更多知识,符合题干意思。
26.Technology innovation is the driving force of social progress.
A.Technology innovation has no relation to social progress.
B.Technology innovation slows down social progress.
C.Technology innovation is the obstacle to social progress.
D.Technology innovation promotes social progress.
答案解析:D。
选项A 说科技创新与社会进步无关,错误;选项B 说科技创新减缓社会进步,错误;选项C 说科技创新是社会进步的障碍,错误;选项 D 说科技创新促进社会进步,符合题干意思。
27.The application of new technology has improved people's living standards.
A.The application of new technology has lowered people's living standards.
B.The application of new technology has had no effect on people's living standards.
C.The application of new technology has made people's living standards worse.
D.The application of new technology has made people's living standards higher.
答案解析:D。
选项A 说新技术的应用降低了人们的生活水平,错误;选项 B 说新技术的应用对人们的生活水平没有影响,错误;
选项 C 说新技术的应用让人们的生活水平更糟,错误;选项 D 说新技术的应用让人们的生活水平更高,符合题干意思。
28.Technology makes our world more connected.
A.Technology makes our world less connected.
B.Technology has no influence on the connection of our world.
C.Technology isolates our world.
D.Technology brings people in the world closer.
答案解析:D。
选项A 说科技让我们的世界联系更少,错误;选项B 说科技对我们世界的联系没有影响,错误;选项C 说科技孤立我们的世界,错误;选项D 说科技让世界上的人们更亲近,符合题干中科技让世界更有联系的意思。
29.The progress of science and technology has brought new opportunities.
A.The progress of science and technology has brought no opportunities.
B.The progress of science and。