1、Unit 3 Inventors and inventions课时作业10Learning about Language & Using Language.单词拼写1He gave a tap at the microphone before speaking.2The fields give high and stable yields regardless of climatic circumstances.3Many people associate dark clouds with depression and gloom.4He is very practical;_he can m
2、ake or mend almost everything.5When I have compared the two versions (版本), I may write to you again.6We knew her competence (能力) in solving problems.7The personnel (全体人员) are not happy to change these rules.8There is a dynamic (动态的) ball in the computer.9They suggested measures to overcome the curre
3、nt (现在的) difficulties.10We built an extension (延伸) onto the school, so now we have two more classrooms.选词填空be out of order，hang on to，now and then，call up，in truth，get through，dive into，ring off1He dived_into his pocket in an attempt to find the key.2The car is said to have_been_out_of_order halfway
4、.3The boy told his parents that he would go to school but in_truth he didnt.4There must be something wrong with your telephone, for I couldnt get_through to your office the whole morning.5George doesnt go home every week, only now_and_then.6Someone called me up at midnight, only to find he dialed th
5、e wrong number.7Hang_on_to the strap, and the bus is about to start.8Im afraid Ill have to ring_off. Someone is calling me.词语辨析A用firm, steady或stable填空。1You must always build on firm ground.2The teacher was firm and did not change her mind.3There has been a steady demand in our market for this kind o
6、f tool.4Im glad she has become such a stable character.解析：firm, stable, steady这些形容词都有“稳固的”之意。firm指牢固不可动摇或意志、信仰坚定。stable多指根基牢固，平衡良好，也指性格或位置等的稳定、不可移动或改变。steady指保持平衡不动摇，用于有形的物体时，指没有根基的稳固，也指动中的稳。B用worth, worthwhile或worthy填空。5The film is worth seeing again.6The book is worthy to be read. The book is wort
7、hy of being read.7Youd better spend your time on some worthwhile reading.解析：从句法功能上看，worth通常只用作表语，不用于名词前作定语；worthy和worthwhile可用作表语和定语。从所使用的修饰语来看，worth习惯上不用very修饰(要表示类似意思可用well)，而worthy和worthwhile则可以用副词very修饰。从搭配习惯来看，be worth后可直接跟名词、代词或动词的ing形式，不接不定式，且动名词的主动形式表被动意义。be worthy of名词/代词/动词ing，且动词的被动意义只能用被
8、动形式表达，若用不定式则去掉of且用被动形式表被动意义。worthwhile作表语时主语可是名词、不定式和动名词。不定式和动名词作主语时常用it代替，而把真正主语放在该词后面。.用所给词的适当形式填空1I saw him seated (seat) at the back of the room.2The next morning I carried in my hand a small net used for catching (catch) fish.3I placed the frozen (freeze) bowl over the snakes habitat.4He was qu
9、ite disappointed (disappoint) at the idea.5He made wonderful scientific discoveries (discover)6I applied for the post more in hope than expectation (expect)7The position of the house combines quietness and convenience (convenient)8I was so embarrassed (embarrass) that I didnt know how I got through
10、the rest of the dinner.阅读理解COOL INVENTIONSFrom school to band practice, the Venturi Eclectic is an earthfriendly way to get where you want to go. This batterypowered, zeroemission (meaning it doesnt pollute the air) vehicle runs mainly on renewable energy. Solar panels on the Eclectics roof absorb s
11、un rays when youre driving. On windy days, you can connect a machine to the cars roof that collects energy from the wind while youre parked. The Eclectics top speed is 28 miles an hour; the battery lasts for 31 miles before it needs to be recharged. Zipping (迅速行进) around the neighborhood has never b
12、een better.Heres an ecofriendly way to tell time: simply fill the Bedol Waterpowered Clocks tank with water, add some lemon juice, and the clock will display the time without the need for environmentally harmful batteries. There are two sets of metal electrodes (电极) inside the water tank. Water cont
13、ains ions(离子) that carry negative and positive charges. These ions complete a charge between the electrodes, creating enough energy to power the clock. Just refill the tank every few weeks, and this clock will keep on ticking.Bloodhound SuperSonic Car (SSC) will be the first car to attempt to break
14、the 1,000mileanhour barrier. (The current record is 763 miles an hour. ) A concept for now, the rocketshaped car gets its initial push to 350 miles an hour from a jet engine. Then a rocket fires up, pushing the SSC past 1,000 miles an hour. In order to keep the car streamlined(流线型的), the driver lies
15、 back at a 45degree angle.Youre having_a_blast at your friends birthday party. But when its time to bring out the cake, everyone crowds around, blocking your view. No worries. Throw the Triops into the air, and this clever camera captures the view from above. The Triops can take three pictures at on
16、ce, each from different angles.You can also record sounds and command the Triops to start shooting whenever it hears that noise. Thats one smart camera.本文是一篇说明文。文章介绍了四项发明及其各自的特点。1According to the passage, the Venturi Eclectic _.Ais popular with businessmenBis suitable for a long tripCcan turn wind i
17、nto energyDhas only a little gas emission答案：C解析：细节理解题。根据第一段第四句话“On windy days, you can connect a machine to the cars roof that collects energy from the wind while youre parked.”可知，该车可利用风能驱动。2What is the common characteristic of the Venturi Eclectic and the Bedol Waterpowered Clock?AThey dont need ba
18、tteries.BThey are difficult to operate.CThey can be powered by water.DThey are environmentally friendly.答案：D解析：细节理解题。根据第一段第一句话“., the Venturi Eclectic is an earthfriendly way to get where you want to go.”和第二段第一句话“Heres an ecofriendly way to tell time.and the clock will display the time without the n
19、eed for environmentally harmful batteries.”可知，两者的共同特点是它们都是环保型产品。3The underlined phrase “having a blast” in the last paragraph probably means “_”Alooking at a picture Benjoying yourselfCblowing out a candle Drecording sounds答案：B解析：词义猜测题。根据“at your friends birthday party”可知，在朋友的生日会上应该是“尽情狂欢”。4Which of
20、 the following is TRUE according to the passage?AThe Triops is sensitive to sounds.BThe driver of the SSC must be of great size.CThe color of the Bedol Waterpowered Clock is like that of lemon.DThe SSC doesnt have anything to do with a rocket actually.答案：A解析：细节理解题。根据最后一段倒数第二句话“You can also record so
21、unds and command the Triops to start shooting whenever it hears that noise.”可知A项正确。.七选五Do you want to improve your quality of life? Here is some advice.Make it a point to do something brave every day. _1_ This might mean talking to someone that you generally wouldnt talk to or starting a project tha
22、t you feel afraid of. There is no need to plan it in advance._2_ Pick a topic, especially something you know nothing about and learn something from it. A good source of inspiration for this can be the newspaper. It helps to keep it if you have time to make a note of what you have learned.Debate some
23、thing. If you think you know about something, nothing will prove it like arguing it with someone whos smarter than you. _3_ This is easier said than done, but it can provide you with some of the best mental stimulation.Spend time with a child. _4_ If you dont, I bet you have friends who would be hap
24、py to let you borrow theirs for a few minutes. It doesnt matter what age they arechildren see the world entirely differently. Look at it from their eyes. Be their hero. Appreciate what they appreciate. Enjoy the simple things again. Youll love it and theyll love you for it.Recognize what makes you h
25、appy. _5_ Everyone is working toward something, but what makes you happy now? Think of it and try to incorporate (并入) more of what made you happy yesterday into today.AIf you have one，consider yourself lucky.BStep out of your comfort zone，and leave the routine for a second.CSpend some time each day
26、alone with your thoughts.DLearn something new.EFind a friend you can debate with who has different ideas.FTalking with little children keeps you young.GReflect on the parts of your day that bring you real happiness.文章就如何提高生活的质量给我们提出了一些建议。1B解析：空后的This指代设空处提到的事情，根据“This might mean talking to someone t
27、hat you generally wouldnt talk to or starting a project that you feel afraid of.”可知，此处指人们要走出自己的舒适区。故选B项。2D解析：根据空后的“Pick a topic, especially something you know nothing about and learn something from it.”可知，本段建议学习新的东西，与D项中的something new相呼应。3E解析：根据本段主题句中的Debate可知选E项，与该选项中的debate相呼应。此外，该部分中的arguing和debate同义。4A解析：选项A中的one对应主题句中的a child。空后的If you dont和选项A中的If you have one分别从正反两个方面对该话题进行了说明。5G解析：根据本段主题句“Recognize what makes you happy.”可知，本段与快乐有关，G项中的happiness与此呼应。
