2020-2021学年高中英语 课时分层作业9 Unit 3 Inventors and inventions Section Ⅲ、Ⅳ（含解析）新人教版选修8.doc

1、Unit 3 Inventors and inventions课时分层作业(九)Section 、语言知识练习固基础语境填词A)根据汉语或首字母提示，写出所缺单词1He turned as someone tapped(敲；打) him on the shoulder.2They provide financial and practical(实际的) help for disabled students.3He was charged with murder but found innocent(无辜的) later.4Youd better avoid being associated w

2、ith such dishonest people.5She was afraid she wouldnt be able to bear the pain.B)在空白处填入1个适当的单词或括号内单词的正确形式6The worried(worry) look deepened upon her face.7He found the house deserted(desert)8Bearing(bear) a heavy burden，she has to work hard to bring up her children.9I rang you several times but could

3、nt get through10He is out now，and he has promised to ring back as soon as he comes back.高考题型练习提能力阅读理解APaper plane powerGive your paper airplanes an energy increase.The motorized propeller and rudder(方向舵)of the PowerUp 3.0 fits onto your folded flier and is controlled with a smartphone app.Just fire

4、up the app and use the onscreen controls to start the propeller.Then throw the plane and watch it fly away.You can change the flight path by holding your smartphone in different positions.The app detects the phones angle and gets the rudder to change the planes direction.The PowerUp 3.0 runs for abo

5、ut 10 minutes on a single charge.With the PowerUp 3.0 powering your planes，the fun will really take off.Showerhead speakerEnjoy singing in the shower？Now you can belt out tunes to music coming straight from above.The Moxie showerhead contains a waterproof(防水的)speaker that connects wirelessly to your

6、 smartphone.First pull up your playlist on your mobile phone，which will send a signal to the speaker to play the music.Then turn on the water and enjoy a songfilled shower.(Just make sure to leave your mobile phone someplace dry！)Want to continue your singing time after turning off the shower？Just p

7、ull out the speaker from the showerhead and take your music on tour.Easy cyclingTalk about standing up for yourself.Usually its up to the rider of a unicycle to keep it steady so that it doesnt fall over.But the SBU V3an enginepowered unicyclestays balanced all by itself.Jump on the unicycles seat a

8、nd place your feet on the footrests on either side of the wheel.When you lean(倾斜)forward，builtin sensors(传感器)signal the motor to speed up.Leaning back makes it slow down or stop.If you lean too far in any one direction，the unicycle will sense too much movement and adjust itself to keep you upright.T

9、his handsfree ride has got our back!【语篇解读】本文是应用文。文章主要介绍了三项神奇的发明。1How can you change your paper planes direction with the PowerUp 3.0?ABy touching it gently.BBy pressing a remote control.CBy touching your smartphones screen.DBy changing your smartphones direction.D细节理解题。由Paper plane power部分中的“You can

10、 change the flight path by holding your smartphone in different positions.”可知，你可以通过倾斜手机的方向来改变纸飞机的飞行路径。2What do we know about the Moxie showerhead?AIt has a removable speaker.BIt has an automatic playlist.CIt works only in dry places.DIt can send wireless signals.A细节理解题。由Showerhead speaker部分中的“The Mo

11、xie showerhead contains a waterproof (防水的) speaker和Just pull out the speaker from the showerhead”可知，Moxie淋浴喷头装有一个可拆卸的音响。3What is said about the SBU V3?AIt travels at low speed.BIts a self balancing unicycle.CThe rider leans forward to slow it down.DThe rider has to pedal hard to get it moving.B细节理解题

12、。由Easy cycling部分中的“stays balanced all by itself”和“If you lean too far in any one direction，the unicycle will sense too much movement and adjust itself to keep you upright”可知，SBU V3是一种可以自我平衡的独轮车。B Experts say that controlling the portion (一份食物)size is one of the keys to losing weight and staying in s

13、hape.Using smaller dishes is probably the most popular way to control the size of your meals.But a couple of art students in London may have come up with an even more effective oneusing mirrors to make tableware(餐具)look twice as full. Saki Maruyama and Daniel Coppen have come up with a tableware des

14、ign that relies on mirrors to trick your eyes into seeing more food than is actually available.Named Half/Full，their tableware set was clearly inspired by the problem that humans might lack food in the future.So it is designed to make sure people have enough to eat in the future. “In the near future

15、，the effects of climate change will have an effect on global food production，”the designers said.“When imagining a future thats faced with greater food shortages，we need to ask how we might adapt our own lifestyle at present.”Each piece in the Half/Full settwo plates，a cup，a bowl and a knife，fork an

16、d spoonfeatures a reflective surface.When food and drinks are placed on them，these mirrors increase the portion size only visually.But it is enough to cause a sense of fullness and limit the amount of food the users feel they need to eat.“A study led by the University of Tokyo showed that the amount

17、 of food a person sees can influence his satisfaction from a meal，”the designers say.“If the amount of the food appears greater，the feeling of satisfaction is greater.Another study showed that eating in the presence of a mirror increases selfawareness，influencing people to eat less.Although the idea

18、 is yet to be further tested，we believe Half/Full has the possibility to change our eating habits for the better，”the two designers add.【语篇解读】两位学生设计了一种餐具，这种餐具依靠镜子来欺骗你的眼睛，让你看到比实际更多的食物，以达到控制食量的目的。4How did Saki Maruyama and Daniel Coppen come up with their tableware design?AThe future problem that huma

19、ns might be short of food inspired them.BExperts words about portion size control inspired them.CThey were inspired by some other art students.DThey were inspired by the effects of climate change.A细节理解题。根据第二段their tableware set was clearly inspired by the problem that humans might lack food in the f

20、uture.可知他们这种餐具设计的想法是受到未来粮食短缺问题的启发，故A项正确。5Why did Saki Maruyama and Daniel Coppen want to make such a design?ATo find a better way to lose weight.BTo control the effects of climate change.CTo find a good way to adapt to changes in the future.DTo be the best Londonbased art students.C细节理解题。根据第二段design

21、ed to make sure people have enough to eat in the future.和第三段When imagining a futureadapt our own lifestyle at present.可知未来可能会由于气候的影响，人类将会面临更大的粮食短缺情况，因此这种设计是为了确保人类在未来能有足够的粮食以应对未来可能会发生的改变，故选C项。6How does the Half/Full design work?ABy increasing the portion size to produce a sense of fullness.BBy using

22、smaller dishes to influence people to eat less.CBy changing peoples eating habits totally.DBy limiting the amount of food people feel they need to eat.D细节理解题。根据第四段limit the amount of food the users feel they need to eat.可知这种设计通过限制用户觉得他们需要吃的食物的数量来发挥作用，故D项正确；根据第四段these mirrors increase the portion siz

23、e only visually.But it is enough to cause a sense of fullness可如镜子从视觉上增加了食物的数量，从而增加了人们的饱腹感，故A项错误。7What can we learn from the last paragraph?AEating in front of a mirror decreases peoples satisfaction with meals.BPeoples satisfaction with a meal is related to the amount they see.CEating in the presenc

24、e of a mirror helps people eat more.DHalf/Full has the ability to change our good eating habits.B细节理解题。根据最后一段If the amount of the food appears greater，the feeling of satisfaction is greater.可知食物的数量越多，人们的满足感就越大，故B项正确，A项错误；根据最后一段Half/Full has the possibility to change our eating habits for the better可知这种设计可能会使我们的饮食习惯变得更好，而不是改变我们好的饮食习惯，故D项错误。