Thomas Edison's inventions have shaped the world. Read about a few of them in the timeline.

Vote-recorderEdison thinks this machine will help lawmakers record their votes in 1875.

KinetoscopeThismotion-picture viewer lets people see moving pictures for the first

Lightbulb Earlier inventors make lightbulbs, but the bulbs have problems. Edison invents the first practical lightbulb. He finds a way to make the warm yellow light from his bulb last for 13 hour

Phonograph Edison invents a machine that records sound at last

ElectricpenThis machine can make more than one copy of a document

1.In which year did Edison invent the vote-recorder?

A. In 1868. B. In 1875. C. In 1879. D. In 1892.

2.Which of the following inventions did Edison create last?

A. Lightbulb. B. Phonograph. C. Electric pen. D. Kinetoscope.

3.What was the purpose of the lightbulb?

A. It provided light. B. It recorded sound.

C. It helped lawmakers record their votes. D. It made more than one copy of a document.

練習冊系列答案
相關習題

科目：初中英語 來源：重慶大學城第一中學校2018-2019學年七年級下學期第一學月英語試卷 題型：補全對話7選5

閱讀下面對話，從方框內(nèi)七個選項中選出五個恰當?shù)木渥油瓿蓪υ�，并將其番號填入對應的橫線中。

A: Hello, Tony!

B: I have two tickets to the new movie “Detective (偵探) Chinatown 2”. Do you want to go with me?

A: Yes, I do.1.

B: Let me have a look. It’s at 12:15 tomorrow afternoon.

A:2.

B: Why?

A:3.

B: Wow, great!4.

A: I often read newspapers to the old and always talk with them.

B: That’s so nice of you. Many of them are not happy and lonely. We should care for (關心) them.

A: That’s right.5.

B: Sounds like a good idea!

查看答案和解析>>

科目：初中英語 來源：江蘇省南京市秦淮區(qū)四校2018-2019學年七年級下學期期中聯(lián)考英語試卷 題型：材料作文

書面表達

假如你是Sandy，剛搬進新家，想邀請你的朋友Amy來你的新家做客。請你按照下面的提示寫一篇題為Welcome to my new home的短文。

Location（位置）

not far from school, on the 12th floor in a tall building

Layout（布局）

a small living room, …

Community

good neighbors, help with different kinds of problems

Giving directions (方向)

…

注意：1. 文中不得出現(xiàn)你的真實姓名和學校名稱；

2. 語言通順，意思連貫，條理清楚，書寫規(guī)范；

3. 詞數(shù)80左右，文章的開頭已經(jīng)給出，不計入總詞。

Welcome to my new home

Dear Amy,

I would like to invite you to my new home. ____ ____

I am looking forward to seeing you.

Yours,

Sandy

查看答案和解析>>

科目：初中英語 來源：江蘇省南京市秦淮區(qū)四校2018-2019學年七年級下學期期中聯(lián)考英語試卷 題型：單選題

The students will go to the Summer Palace if it _______ tomorrow.

A. don’t rain B. won’t rain C. doesn’t rain D. isn’t rain

查看答案和解析>>

科目：初中英語 來源：江蘇省南京鼓樓區(qū)2019屆九年級下學期中考一模英語試卷 題型：單詞填空

請根據(jù)短文內(nèi)容和首字母提示，填寫所缺單詞，并將答案填寫在答題卡標號為 66—75的相應位置上。

For a long time, people thought that the floor of the ocean was a very quiet place. Some thought that it was almost without any s1. at all.Scientists were surprised when they put a microphone (麥克風) under water and heard all kinds of noises. They heard grunts, growls, snarls and whistles. The b2. of the sea sounded like a zoo! The scientists were puzzled (迷惑的) when they found out these noises were c3. from fish.Some fish make noise by grinding their teeth. Others scrape their bones together. Still others make noise with the sac of air in their bodies. W4. fish make these sounds is somewhat a mystery (謎). Some scientists think that the fish use these noises to s5. to one another. Most people believe the sounds have no meaning.Scientists have found out that the dolphin k6. the meaning of some sounds. Tests show that it is one of the smartest a7. in the sea. People say that they have been able to teach the dolphin many human words. At Marineland of the Pacific, it is said that dolphins have even been taught to sing. They rise to the s8. of the water and sing for visitors. At least it sounds somewhat like singing!

Who knows? We may be able to talk with the dolphin and learn many secrets of the sea sometime soon. Just think what the dolphin could tell us. We could learn the location of treasure ships u9. the sea. We could learn where to find great schools of fish. We might e10.learn the location of submarines (潛艇). It could be an exciting moment when we first begin to find out what those voices from the ocean floor are saying.

查看答案和解析>>

科目：初中英語 來源：江蘇省南京鼓樓區(qū)2019屆九年級下學期中考一模英語試卷 題型：單選題

—Have you heard of the latest news about WIFI?

—Yes. When the 5G age , the Internet speed will be 100 times as high as 4G.

A. come B. comes C. will come D. is coming

查看答案和解析>>

科目：初中英語 來源：江蘇省南京鼓樓區(qū)2019屆九年級下學期中考一模英語試卷 題型：單選題

—Look at these beautiful flowers. Do you know what kind of flowers they are?

—I'm not sure. They look much the same in shape and size as of roses.

A. this B. that C. these D. those

查看答案和解析>>

科目：初中英語 來源：江蘇省泰州市姜堰區(qū)2018-2019學年八年級下學期期中考試英語試卷 題型：單選題

― So you gave her your mobile phone?

― ________. She said she’d return it to me after she bought a new one.

A. My pleasure B. Not exactly C. With pleasure D. No problem

查看答案和解析>>

科目：初中英語 來源：四川省廣元市蒼溪縣2018-2019學年七年級春季期中聯(lián)考英語試卷 題型：單選題

Emily can’t go out with her friends, I can’t ______________.

A. too B. also C. either D. so

查看答案和解析>>

同步練習冊答案