1、Unit 3 Computers课时作业12单元加餐练.单词拼写1The old woman decided to calculate (计算) how much this trip had cost.2Later I found out that the diamond was actually artificial (人造的)3When the baby was a little older, it began to explore (探索) more places.4If you work harder, you will reach your goal in time.5The new
2、 buildings have changed the character (特点) of the village.6The railway signal showed that the train could pass.7Could you download some music from the Internet for me?8It seemed as if as soon as one problem was solved a new one arose (产生)9The match was over and the player went to hug her coach.10Per
3、sonally , I dont like the style of the new singer.选词填空from then on, with the help of, as a result, make up, compare.with., deal with, have.in common, in a way, go by, watch over1You cant let an opportunity like that go_by.2To my surprise, I found I had a lot in_common with this stranger.3He made a b
4、ig mistake, and, as_a_result,_he lost his job.4We carefully compared the first report with the second and finally chose the latter.5From_then_on I did a lot of homework that he gave me and read English stories.6She didnt want to go to the party, so she made_up an excuse.7With_the_help_of his teacher
5、, he has made great progress in English.8The driver hurt in the accident was_being_watched_over in hospital then.9The teacher really doesnt know how to deal_with his naughty students.10In_a_way,_his biology has improved, but there is still a long way to go.单句语法填空1Recently many accidents have arisen
6、from the drivers carelessness.2What should I do with this old computer?3While playing (play) with the local children, he made a few friends.4My boss asked me to have the letters typed (type) that night.5Something bad has_happened (happen) to him recently.6The man spent his whole life exploring (expl
7、ore) the wildness.7If you want to call abroad, you should first ring the operator (operate)8The man must pass an intelligence (intelligent) test before entering the company.9We should face the reality (real) bravely.10It will not be long before we finish the task.11It is wrong of you to judge a pers
8、on by his appearance (appear)12The boy is humorous and he often brings us some happiness (happy)13Whenever we met with difficulties, they came to help us.14In the earthquake most of the buildings were destroyed totally (total)15Some of the reporters like asking some personal (person) questions.单句改错(
9、每小题仅1处错误)1It was about three years when they met again.whenbefore2With time went by, she had gradually forgotten this thing.WithAs或wentgoing3We are not friends, for we have nothing in a common.去掉a4The girl made a application for the job as a teacher.aan5He was often late for work. As a result of, he
10、 was fired.去掉of6Downloading to a desktop computer, the material helped the man a lot.DownloadingDownloaded7By the time she came to herself, she found she has been operated on.hashad8He was very honest that we all liked him.veryso9If it possible, please come here to give me a hand.去掉it或possible_前加is1
11、0The orphan has been taken good care.good_care_后加of.单元语法将下列句子改为被动语态1They have put the computer into a robot.The_computer_has_been_put_into_a_robot_(by_them)2Over time, people have changed me a lot.Over_time,_I_have_been_changed_a_lot_(by_people)3A new virus has attacked my computer.My_computer_has_b
12、een_attacked_by_a_new_virus.4I have made him study hard.He_has_been_made_to_study_hard_(by_me)5Have you found ways to make waste water clean?Have_ways_been_found_to_make_waste_water_clean_(by_you)?.阅读理解Buying books on the Internet is a great way to save time and money. Online bookstores offer new bo
13、oks and used books that can save you lots of money. They are far better compared to traditional bookstores as they offer much more kinds of books. Another advantage of shopping online is that you can also read the book reviews as well as readers reviews to get an idea whether the book is worth buyin
14、g. Online bookstores offer great discounts (折扣) to regular customers, which is a big attraction for book lovers.For book lovers, the most important thing is to get books on time. Therefore, you need to find a reliable online bookstore that will be able to provide fast deliveries (递送)Here are some ti
15、ps to use when you are choosing an online bookstore. Some online bookstores are popular for fiction books; some are for nonfiction books or novels, etc. Understanding their specialization will help you get the right kind of book in time. Check whether you will buy the books from a third party seller
16、 or directly from the website. Although the online bookstore could be reputable (声誉好的), third party sellers advertised on its site may not have a good reputation. Never jump at stores that offer super cheap prices, as books sold at such low prices could be in very bad condition.Most of the popular o
17、nline bookstores offer useful tools. One tool is a wish list tool on the website. You can change the list of books you wish to buy in the future. The bookstore will know what you want and will email you immediately when the book of your choice is available.文章主要介绍了在网上买书的优点，并且提出了一些需要注意的问题及建议，让读者能够又快又省
18、地在网上买到想要的书。1How can a reader buy a worthy book when shopping online?ABy comparing the service.BBy asking for discounts.CBy reading online reviews.DBy asking booksellers for advice.答案：C解析：细节理解题。根据第一段中的“you can also read the book reviews as well as readers reviews to get an idea whether the book is wo
19、rth buying.”可知，在网上选书时可以查看书评和其他读者的评价来了解书是否值得购买，所以选C。2What do online book lovers care about most?AThe speed of deliveries.BThe author of books.CThe prices of books.DThe condition of books.答案：A解析：细节理解题。根据文章第二段中的“For book lovers, the most important thing is to get books on time.”可知，对爱书的人来说，最重要的是送货速度，所以选
20、A。3What is the third paragraph mainly about?AHow to choose a reliable online bookstore.BHow to avoid buying books in bad condition online.CHow to understand the specialization of an online bookstore.DHow to advertise on the website to get a good reputation.答案：A解析：段落大意题。通读第三段可知，第三段主要讲的是如何在网上选择可信赖的书店，
21、所以选A。4The wish list tool can help readers _.Alearn about the number of the booksBget to know more reliable booksellersCpay for their books more quicklyDbuy their favorite books in time答案：D解析：细节理解题。根据文章最后一段中的“The bookstore will know what you want and will email you immediately when the book of your c
22、hoice is available.”可知，读者可以通过填心愿单来及时得到想要的书的信息，所以选D。.书面表达假如你是张扬，每天看到妈妈在厨房里忙碌的身影，你觉得她很辛苦。于是你想象如果你能发明一台能做饭的机器，并且送给妈妈该多好。请你给妈妈写一封信，把你的想象告诉她。注意：1.词数100左右；2可以适当增加细节，以使行文连贯。Dear_Mum，Thank_you_for_loving_and_supporting_me._I_feel_very_happy_to_see_you_at_home_when_I_come_back_after_school_every_day.At_the_s
23、ame_time_I_often_feel_sorry_when_I_see_you_cooking_and_doing_other_housework._You_must_be_tired._How_I_wish_I_could_invent_a_cooking_machine_and_give_it_to_you_as_a_gift!This_machine_would_cook_all_kinds_of_delicious_food._All_you_need_to_do_is_buy_all_of_the_things_that_are_needed_for_the_dish_and_then_tell_it_how_to_cook_the_meal._In_that_way,_cooking_will_be_very_easy_and_relaxing_and_you_will_never_be_tired_again._Then_you_will_have_more_time_to_be_with_us._Wouldnt_that_be_great?_Im_sure_it_will_happen_one_day.Yours，Zhang_Yang
