【題目】

Would you be able to go through a whole day without using a light bulb? Most people probably wouldn’t. Today, almost every building uses light bulbs as their main light source. Although we use them daily without much thought, light bulbs were once a costly and the newest technology. A lot of people’s hard work led to the light bulb’s invention, which has impacted our lives greatly.

The first light bulbs were glass containers that release light when an electric current heated a part inside called a filament (燈絲). Electric light bulbs are also known as incandescent (白熾) light bulbs. These days, we use energy-saving bulbs that are better for the environment. Nick Holonyak, Jr., an American engineer, invented the first light-emitting diode light (LED) in 1962. An LED light bulb uses one-third the electricity as an incandescent light and lasts far longer.

In 1802, a British scientist named Humphry Davy created the first electric light. Then, in 1835, other British scientists created the first constant stream of electric light, although the light didn’t shine very long. In the following decades, scientists experimented with light bulb filaments made of different types of materials, hoping to create a longer stream of electric light. In 1860, Joseph Swan found a material that produced a good light, but it burned out quickly. By this time, none of the light bulbs created were ready to be sold to the public for everyday use. Then, in 1878, Thomas Edison made more progress. He spent a lot of time researching what previous scientists had done. He and his team spent years experimenting with light bulb filaments. They eventually created the first light bulb that could release constant electric light for 1,200 hours. Edison immediately patented (取得專利) his light bulb design so that light bulbs could be produced and sold.

Light bulbs were safer and more convenient to use than oil lamps and candles. Increased use of light bulbs resulted in people being able to have a longer work day, so the average work day increased. Light bulbs also led to changes in building designs. Architects created windowless buildings, and lights could be placed in elevators and other new places.

1From Paragraph 1, we can learn that light bulbs were _______ in the past.

A. commonB. expensiveC. hardD. great

2According to the passage, which one invented the first electric light bulbs?

A. Nick Holonyak.B. Humphry Davy.

C. Joseph Swan.D. Thomas Edison.

3According to the passage, what was the main problem in improving light bulbs?

A. There was not enough money and engineering support.

B. There were no materials that could be used to save power.

C. Scientists from different countries couldn’t work together.

D. It was hard to find a filament material that shone long.

4According to the passage, which of the following statements in TRUE?

A. Light bulbs were as convenient as candles and oil lamps.

B. Edison made it possible to sell light bulbs to the public.

C. LED can save more power and make people’s work time longer.

D. Light bulbs make people stay in windowless rooms on work days.

5Which of the following would be the best title of the passage?

A. The invention we depend on.

B. The great inventers.

C. The history of science and technology.

D. What changes building designs?

【答案】

1B

2B

3D

4B

5A

【解析】

本文介紹了很多人的辛勤勞動導(dǎo)致了燈泡的發(fā)明,這對我們的生活影響很大。1802年,一位名叫漢弗萊·戴維的英國科學(xué)家發(fā)明了第一種電燈。在1878年,托馬斯·愛迪生取得了更大的進(jìn)步。他們最終制造了第一個燈泡,它可以釋放持續(xù)1200小時的電燈。愛迪生立即為他的燈泡設(shè)計申請專利,以便生產(chǎn)和銷售燈泡。燈泡也導(dǎo)致了建筑設(shè)計的變化。建筑師創(chuàng)造了無窗建筑,燈光可以放置在電梯和其他新的地方。

1細(xì)節(jié)理解題。根據(jù)Although we use them daily without much thought, light bulbs were once a costly and the newest technology. 盡管我們每天都在使用燈泡,但它曾經(jīng)是一種昂貴的最新技術(shù)。可知,燈泡過去很貴。故選B。

2細(xì)節(jié)理解題。由句子In 1802, a British scientist named Humphry Davy created the first electric light. 可知,1802年,一位名叫漢弗萊·戴維的英國科學(xué)家發(fā)明了第一種電燈。故選B。

3細(xì)節(jié)理解題。根據(jù)He and his team spent years experimenting with light bulb filaments. 他和他的團(tuán)隊花了數(shù)年時間試驗燈泡燈絲?芍,改進(jìn)燈泡的主要問題是很難找到長時間發(fā)光的燈絲材料。故選D。

4細(xì)節(jié)理解題。根據(jù)Light bulbs were safer and more convenient to use than oil lamps and candles. 燈泡比油燈和蠟燭更安全、更方便使用。因此A錯誤;由句子Edison immediately patented (取得專利) his light bulb design so that light bulbs could be produced and sold.愛迪生立即為他的燈泡設(shè)計申請專利,以便生產(chǎn)和銷售燈泡?芍,愛迪生使向公眾出售燈泡成為可能。因此B正確;由句子An LED light bulb uses one-third the electricity as an incandescent light and lasts far longer. 一個LED燈泡使用三分之一的電能作為白熾燈,并且持續(xù)時間更長。而不是延長人們的工作時間。所以C不對;選項D. Light bulbs make people stay in windowless rooms on work days.與原文Architects created windowless buildings, and lights could be placed in elevators and other new places. 建筑師創(chuàng)造了無窗建筑,燈光可以放置在電梯和其他新的地方。不符。所以D錯誤。所以本題的答案為B。

5推理判斷題。根據(jù)A lot of people’s hard work led to the light bulb’s invention, which has impacted our lives greatly. 很多人的辛勤勞動導(dǎo)致了燈泡的發(fā)明,這對我們的生活影響很大?芍疚慕榻B了燈泡的發(fā)明對人類生活的影響。所以最好的題目是The invention we depend on. 我們所依賴的發(fā)明。故選A。

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