《2024年全科王同步课时练习九年级英语全一册人教版》

(2024.青岛市北区期中)Ever since the19th century,people's search for ways of producing electricity has never stopped.Now a UK company has developed a new kind of floor.It is very special.There is a system that can produce a certain amount of electricity cheaply using the energy from footsteps.That is to say,every time people step on this special floor,they produce electricity.
　　The inventor of the floor came up with the idea when he was a student and worked in an energy company.The company asked him to find ways to power up street lights in city centers using the energy from the sun,but it soon became clear that this might not work because many city centers don't get enough sunlight because of tall buildings.Then he thought of a better plan.Why not use the energy produced by people who walk past the street instead?The technology could be used to convert the energy into electricity−right under people's feet.
　　The floor could actually be very efficient(效率高的).This is especially true when it is used in very busy areas.And the reason is that a lot of energy is produced simply because of large numbers of people walking across the floor.
　　The floor can have other uses too,such as recording how many people visit a place at a certain time.This kind of information is very useful to certain people.For example,shop owners near the place would be interested in knowing at which time of the day they have the highest customer numbers.
15.What can we know about the new kind of floor?
A.It is mainly used in less crowded streets.　
B.It depends on sunlight to produce electricity.　
C.It can provide customers with shopping information.　
D.It produces electricity with the energy from footsteps.
16.What makes many city centers fail to get enough sunlight?
A.Busy traffic.　　　B.The weather.　
C.The special floor.D.Tall buildings.
17.What does the underlined word“convert"mean in English?
A.Discover.　　　　B.Change.　
C.Collect.　　　　　D.Spread.
18.The more people walk on the floor,________.　
A.the less electricity can be produced　
B.the more nervous the shop owners will be　
C.the more electricity can be produced　
D.the more sunlight can be gotten
19.What does the text mainly talk about?　
A.A creative company.　
B.A talented inventor's history.
C.A discussion about energy.　
D.An invention of producing electricity.

答案： 15.D[提示:细节理解题。根据第一段中的“There is a system that can produce a certain amount of electricity cheaply using the energy from footsteps.”可知，它利用脚步产生的能量来发电，故选D。]
16.D[提示:细节理解题。根据第二段中的“many city centers don't get enough sunlight because of tall buildings”可知，许多市中心因为高楼大厦而得不到足够的阳光,故选D。]
17.B[提示:词义猜测题。画线的词是convert,它的宾语是energy,根据上下文可知,这项技术可以用于把人走路时脚下产生的能量转换为电能。由此可推断convert与change同义,表示“转变;变成”，故选B。]
18.C[提示:推理判断题。根据第三段中的描述可推断，在地板上行走的人越多，产生的电就越多，故选C。]
19.D[提示:主旨大意题。通读全文可知，本文主要介绍了英国一家公司研发出的一种产生电能的新型地板，选项D意为“一种发电的发明”，故选D。]