1、课时作业21单元知识汇总.单词拼写1We shall accumulate (积累) new experience and try new solutions as new problems arise.2The heavy smoke almost choked (窒息) him to death.3Please delete (删除) my name from your list.4Will this woolen sweater shrink (收缩) when washed?5The company has announced that it will undertake (着手做)
2、a full investigation into the accident.6How much cash do you plan to deposit (储蓄) in your account?7Because a lot of people were against his plan, he decided to resign (辞职)8There was only one bus so people had to squeeze (挤) in it.9The Americans abolished (废除) slavery in 1863.10My thirst (渴望) for kno
3、wledge was greater than my pains of hunger.单句语法填空(一)基础知识1I suggest that you spend an abundance (abundant) of time walking around after supper.2She went through a period of emotional adjustment (adjust) after her marriage broke up.3His speech made a strong impression (impress) on the audience.4The ho
4、use has been in the familys possession (possess) since the 1500s.5They volunteer (voluntary) to help serve behind the counters.6It occurred to her that she might adopt a homeless (home) child.7In the last 20 years, South Korea has been_transformed (transform) into an advanced industrial power.8The g
5、overnor (govern) holds a high government position.9A key issue for higher education in the 1990s is the need for greater diversity (diverse) of courses.10Consequently (consequent) it is important that we take three measures to solve this problem.(二)单元语法11I suggest that we (should)_go (go) down to th
6、e bar for a drink to cheer ourselves up.12If I were (be) in your position, I would fire him at once.13It has become a nationwide requirement that every student (should)_have (have) daily exercise for one hour.14It is time that we stopped/should_stop (stop) talking about this silly question.15Tom, if
7、 you dont feel well, youd better go (go) to see the doctor.单句改错1Mr Zhang was elected the Chairman of the Students Union at school.去掉the或theas2He wanted to know that the manager had said at the meeting.thatwhat3I hope your suggestions will contribute to solve the problem.solvesolving4More than one sh
8、ip have been damaged in the storm.havehas5We doubt that he will come to our party tonight.thatwhether.选词填空keep an eye on, show off, lose faith in, knock into, contribute to, on principle, break into, wind.up, do away with, date back to, at the mercy of, take.into account, come into being, take.serio
9、usly1Thus the first workers league came_into_being.2She could not break_into their conversation.3Can you keep_an_eye_on my luggage while I go to the bathroom?4I feel you should never lose_faith_in yourself.5She thinks its time we did_away_with/should_do_away_with the monarchy.6The friendly exchanges
10、 between the two sides date_back_to a long time ago.7I am confident that this experience would help me fit in and contribute_to the work in your firm.8When judging his performance, dont take his age into_account.9This woman really wound me up. She kept making so much noise.10She had made Helen a dre
11、ss which showed_off her tiny waist.11As a teacher, its important that the kids take you seriously.12After the boats motor failed, they were at_the_mercy_of the waves at sea.13I disagreed with your idea on_principle.14I was in such a hurry that I knocked_into my teacher at the door.完成句子1What_if no sc
12、hool buildings are available?没有校址怎么办？2I found_it_hard to tear myself away from my new friends.我对新朋友们恋恋不舍。3She is not very clever but painstaking.她虽然不很聪明，但很刻苦。4The_more others suspect us, the_more we will suspect them.别人怀疑我们越多，我们怀疑他们也越多。5It is high/about time that we_should_put/put an end to this dis
13、cussion.我们真该停止这场讨论了。6If_I_were a bird, I would fly in the sky freely.假如我是一只小鸟，我会在空中自由飞翔。7When_watching_TV,_I received his phone.看电视的时候，我接到他的电话。8It_wont_be_long_before we get used to the new school life.不久我们就会习惯新的学校生活。9Whether_she_wins_or_loses,_this is her last chance.不管她是赢还是输，这是她最后的机会了。10The teache
14、r raised his voice to_make_himself_heard.那个老师提高了嗓门以使别人能听到他的声音。.阅读理解If you live in Washington, DC., or Redwood, Calif., you may have glimpsed a small, boxy robot rolling along a local sidewalk, minding its own business, but attracting the attention of many a curious onlooker.The robots, which look li
15、ke electric rice cookers with wheels, were part of a pilot program last year by Starship Technologies focused on delivering meals from local restaurants in dozens of cities around the world.This week, the company revealed plans to broaden its delivery service beyond food to include packages, a move
16、that made it “the worlds first robot package delivery service”. The package delivery service is only available in some cities in the US.The wheeled robots have a top speed of 4 mph and can detect barriers from as far as 30 feet away. “The robot can operate through just about anything，” says Nick Han
17、drick, head of operations for Starships DC.office, “If you have something in the way, its able to climb it.” By giving customers control of when deliveries occur, Starship Technologies is promoting its service as a way to combat package theft.To sign up for the service, which costs a little more tha
18、n $10 per month, customers need to download the companys app. Customers then create a “Starship Delivery Address，” a unique address inside a Starship facility, instead of a home address, where they can have packages sent from places such as Amazon. com.Once a package is delivered to the Starship add
19、ress, customers receive a text notice that allows them to schedule a home delivery via robot. The robots are opened by customers with a mobile phone code (代码)这是一篇说明文。这篇文章主要讲了在美国的一些城市，包裹可以由机器人运送了。1What do we know about Starship Technologies company?APackages are delivered by its robots all round Amer
20、ica.BIts robots have taken on package delivery for a long time.CIt is the first to provide robot package delivery service.DIts delivery service is the best of all in the world.答案：C解析：细节理解题。答案定位在第三段This week, the company revealed plans to broaden its delivery service beyond food to include packages,
21、a move that made it “the worlds first robot package delivery service”(本周，该公司公布了将送货服务从食品扩展到包裹的计划，此举使其成为“世界上第一家送货机器人”。)由此可知星际飞船技术公司是第一家提供机器人包裹递送服务的公司，故选C。2What does the underlined word “combat” in Paragraph 4 probably mean?ADelay. BPrevent.CReport. DDiscover.答案：B解析：词义猜测题。上文By giving customers control
22、of when deliveries occur说通过让客户控制何时发货，推断出下文Starship Technologies is promoting its service as a way to combat package theft.的意思是星际飞船技术公司正在推广其服务，作为一种打击包裹盗窃的方式。combat意思是“阻止”，A.Delay 延期；B.Prevent 阻止；C.Report 报告；D.Discover 发现，故选B。3What can we learn about robot package delivery service?ACustomers cant open
23、 the robots without a mobile phone code.BStarship Delivery Address is the customers home address.CCustomers have to pay a little more than $10 each time.DRobots themselves have control over when to deliver packages.答案：A解析：推理判断题。答案定位在最后一段The robots are opened by customers with a mobile phone code (这些
24、机器人由顾客用手机代码打开)，由此可知没有手机密码，顾客无法打开机器人，故选A。4What may be the best title for the passage?ARobot Delivery Service Is Taking OffBHumans Are Being Replaced by RobotsCEverything Can Be Done by RobotsDPackages Can Be Delivered by Robots答案：D解析：标题判断题。第三段This week, the company revealed plans to broaden its deliv
25、ery service beyond food to include packages, a move that made it “the worlds first robot package delivery service”是全文的主题句，结合全文内容，可知这篇文章主要讲了在美国的一些城市，包裹可以由机器人运送了，故选D。.书面表达请根据你对下面这幅图的理解，写一篇100字左右的英语短文。请包括以下内容：1简要描述图画内容；2联系实际说说自己的看法和建议。参考词汇：smog 雾霾As is vividly shown in the picture, a tiny man living in
26、 the city is standing there wearing a mask, terrified by the heavy smog, which looks like a huge frightening monster.What the picture mirrors is clearly heavy smog and severe air pollution. Confronted with potential risks of sickness, people are always forced to wear masks in order to avoid breathin
27、g poisonous air.With smog getting increasingly serious, environmental protection has become an urgent issue for human beings. As a saying goes, great things may be done by mass effort. For one thing, our government should develop more green and energy saving ways to lower the emission of polluted air. For another, every single person should raise their awareness of environmental protection and use more public transport. Only if we spare no effort to protect our environment, can we enjoy a greener and better life.
