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1、Unit 4 History and traditionsPeriod 3 Discovering Useful Structure过去分词做宾语和宾补1.单句语法填空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】本题考查过去分词短语作宾语补足语和状语。.
6、翻译短语（运用上过去分词短语）1他们正在开会讨论这个人人都知道的严重问题。Theyre having a meeting to discuss the serious problem_.（人人都知道的）2为了解决这个问题，我们应该满足顾客提出的需求。To solve the problem, we should meet the demand _(顾客提出的)3使他吃惊的是，他没有注意到钱包在公交车上被人偷了。To his surprise, he didnt_ on the bus（注意到钱包被人偷了）4在所有客人就座之前，你最好不要动所有的菜。Youd better leave_ befo
7、re all the guests are seated（不要动所有的菜）5这位年轻女士发现她珍贵的项链丢了，很恼火。The young lady was quite annoyed to_（发现她珍贵的项链丢了）6这对夫妇看到女儿在这家新托儿所受到很好的照顾，感到很满意。The couple felt very satisfied to see their daughter _ in the new nursery（被照料）【答案】1. known to everybody2. made by the customers3. notice his wallet stolen4. all th
8、e dishes untouched5. find her valuable necklace lost6. taken good care of【解析】本题考查过去分词短语作宾语补足语与和状语。III单句语法填空1 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
9、) during 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 pr
10、ices8We should 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.respecte
11、d 5.written 6.used 7.bought 8.caused pleted10.running【解析】本题考查过去分词短语作宾语补足语和状语。IV 七选五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
12、 studying 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(波长)2_ The seven colorsred, orange, yellow, green, blue, indigo and violetbend in seven different directionsRed li
13、ght, for 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 lat
14、er in the 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
15、stories relating 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
16、place at the right timeGThis is why the person on the ground sees each color at a different location【解题导语】本文是一篇说明文。彩虹是大自然最美的作品之一，在什么样的条件下才能欣赏到美丽的彩虹呢？【答案】1F解析：上文Rainbows(彩虹) are one of the most beautiful works that nature creates与F项内容形成转折关系，即彩虹虽然美丽，但人们必须在合适的时间和地点才能看见它。2C解析：C项中的wavelength和color分别复现上文中
17、的wavelengths和下文中的colors，起到承上启下的作用。3G解析：上文中的The seven colors bend in seven different directionsRed light, for example, bends in a different way than violet light与G项内容形成因果关系。4E解析：本段涉及彩虹出现的天气条件，E项内容符合该话题；且E项中的sunny and raining与下文中的the sun和the rain 存在词汇复现关系。5D解析：下文中的this area和the island指代D项中的Hawaii，本段说明夏威夷气象条件合适，因此经常出现彩虹。