1、Unit 4 History and traditionsPeriod 3 Discovering Useful Structure過去分詞做賓語和賓補(bǔ)1.單句語法填空1We see an old man sweeping the _(fall) leaves every morning when we pass the post office2Our teacher was very worried because there was only a little time_(leave) for us to finish this task3Generally speaking, the c

2、hildren _ (bring) up by grandparents tend to feel lonely sometimes4It is amazing that he fell in love with the girl _ (dress) in a red skirt at the first sight5As is known to us all, Tsinghua University, _ (found) in 1911, is one of the top universities in the world6There was an _ (excite) look on h

3、is face when the actress appeared7The players _ (select) from the whole country are expected to bring us honor in this summer game8They spent two hours discussing the plan _ (design) by the famous engineer9The _ expression on his face suggested that he was not able to work out the confusing problem(

4、confuse)10The teacher wanted our compositions _ (hand) in after class11Id appreciate it if you could suggest a good way to get my English _ (improve) in a short period of time12With all her business things _ (arrange), Diana went on holiday13The speaker raised his voice but still couldnt make himsel

5、f _ (hear)14Back from his twoyear medical service in Africa, DrLee was very happy to see his mother _ (take) good care of at home【答案】1.fallen 2.left 3. brought 4.dressed 5.founded 6.excited 7. selected8.designed 9.confused 10.handed 11.improved 12.arranged 13.heard 14.taken 【解析】本題考查過去分詞短語作賓語補(bǔ)足語和狀語。e

6、q avs4al().翻譯短語（運用上過去分詞短語）1他們正在開會討論這個人人都知道的嚴(yán)重問題。Theyre having a meeting to discuss the serious problem_.（人人都知道的）2為了解決這個問題，我們應(yīng)該滿足顧客提出的需求。To solve the problem, we should meet the demand _(顧客提出的)3使他吃驚的是，他沒有注意到錢包在公交車上被人偷了。To his surprise, he didnt_ on the bus（注意到錢包被人偷了）4在所有客人就座之前，你最好不要動所有的菜。Youd better

7、leave_ before all the guests are seated（不要動所有的菜）5這位年輕女士發(fā)現(xiàn)她珍貴的項鏈丟了，很惱火。The young lady was quite annoyed to_（發(fā)現(xiàn)她珍貴的項鏈丟了）6這對夫婦看到女兒在這家新托兒所受到很好的照顧，感到很滿意。The couple felt very satisfied to see their daughter _ in the new nursery（被照料）【答案】known to everybodymade by the customersnotice his wallet stolenall the

8、 dishes untouchedfind her valuable necklace losttaken good care of【解析】本題考查過去分詞短語作賓語補(bǔ)足語與和狀語。III單句語法填空To tell the truth, you must make every effort to improve your _(speak) English2To his surprise, Jack found his son _ (dress) as Santa Claus on Christmas Eve3I once found my cell phone _ (miss) during

9、my stay in the city4If you want to make yourself _ (respect), you are above all to respect yourself5The student likes reading stories _ (write) by the famous writer6Many _ (use) computers will be sold in this market7Prices of daily goods _ (buy) through a computer can be lower than store prices8We s

10、hould pay attention to the physical and mental health problems _ (cause) by a lack of sleep9John received an invitation to dinner, and with his work _ (complete), he gladly accepted it10Dont leave the water _ (run) while you are brushing your teeth【答案】1.spoken 2.dressed 3.missing 4.respected 5.writt

11、en 6.used 7.bought 8.caused pleted10.running【解析】本題考查過去分詞短語作賓語補(bǔ)足語和狀語。IV 七選五Rainbows(彩虹) are one of the most beautiful works that nature creates1_If youve ever seen one, consider yourself luckyRainbows can be seen when light passes through raindrops, says Kristin Calhoun, a research scientist studying

12、 the conditions of weatherWhen sunlight passes through raindrops, the light bends, as it enters a dropletAs it leaves the droplet, the light separates into different wavelengths(波長)2_ The seven colorsred, orange, yellow, green, blue, indigo and violetbend in seven different directionsRed light, for

13、example, bends in a different way than violet light3_It also explains why rainbows look like an arc(弧)Sometimes, however, rainbows can actually form a circle that you can see in a plane with the right conditions4_“There is an even better chance when the sun is at a lower level, early or later in the

14、 day，” Calhoun saysAnd another key is to face the rain and have your back to the sun5_“Small showers and storms often form in late afternoon in this area，”Calhoun says“These types of showers often produce heavy rain, but remain isolated(孤立的) over the center of the island”AThere are lots of stories r

15、elating to rainbowsBRainbows are created by light through raindropsCAnd each wavelength appears as a different colorDWith the conditions just right, Hawaii gets lots of rainbowsEThe best time to catch a rainbow is when its sunny and rainingFBut they can be seen only if you are in the right place at

16、the right timeGThis is why the person on the ground sees each color at a different location【解題導(dǎo)語】本文是一篇說明文。彩虹是大自然最美的作品之一，在什么樣的條件下才能欣賞到美麗的彩虹呢？【答案】1F解析：上文Rainbows(彩虹) are one of the most beautiful works that nature creates與F項內(nèi)容形成轉(zhuǎn)折關(guān)系，即彩虹雖然美麗，但人們必須在合適的時間和地點才能看見它。2C解析：C項中的wavelength和color分別復(fù)現(xiàn)上文中的wavelengths和下文中的colors，起到承上啟下的作用。3G解析：上文中的The seven colors bend