1、专题4 第2讲 定语从句单句语法填空1The old man has three sons，none of whom is a doctor.The old man has three sons，but none of them is a doctor.2There are many good websites where you can check out the latest research and discoveries in the science world.3I refuse to accept the blame for something that was someone e
2、lses fault.4He is the one who/that always laughs at me.5The majority of the ads were also promoting extracurricular education institutions，which have been condemned for putting extra academic pressure on students.6In the past few years，more than half of the bookstores in China have closed down，which
3、 is the result of the competition with online bookstores.7He attended a meeting yesterday，after which he gave Mary a ring.8. The books on the desk，whose covers are shiny，are prizes for us.9They were well trained by their masters who/that had great experience with caring for these animals.10After liv
4、ing in Australia for many years，Louise finally returned to the country where she was born.单句改错1These houses are sold at such a low price that people expected.thatas2Its a black square suitcase，what is just as big as a schoolbag.whatwhich3When I was 12，I met Mary.She came to China with her parents，wh
5、om taught English in a university.whomwho4The house I grew up in it has been taken down and replaced by an office building.去掉it5An ecosystem consists of the living and unliving things in an area where interact with each other.wherethat/which.语法填空 Dujiangyan is the oldest manmade water system in the
6、world, and a wonder in the development of Chinese science.1._(build) over 2，200 years ago in what is now Sichuan Province in Southwest China, this amazing engineering 2._(achieve) is still used today.In ancient times, the region in which Dujiangyan now stands 3._ (suffer) from regular floods caused
7、by overflow from the Minjiang River.4._ (help) the victims of the flooding，Li Bing, the region governor，together with his son, decided to find a solution. Li designed a series of channels built at different levels along Mount Yulei that would take away the floodwater while leaving the river flowing
8、naturally.5._ (good) still, the extra water could be directed to the dry Chengdu Plain, making 6._ suitable for farming.Once the system was finished, no more floods occurred and the people were able to live 7._ (peaceful)Today, Dujiangyan is admired by scientists from around the world because of one
9、 feature. Unlike modern dams 8._ the water is blocked with a huge wall, Dujiangyan still lets water flow through the Minjiang River naturally，9._ (enable) ecosystem (生态系统) and fish populations to exist 10._ harmony.语篇解读本文是一篇说明文。文章介绍了中国古代水利工程都江堰的历史及其所起的作用。1解析：考查非谓语动词。前后两部分之间没有连接词，所以所填词要用非谓语动词。build和t
10、his amazing engineering.是逻辑上的动宾关系，所以用动词ed形式作状语。答案：Built2解析：考查词性转换。所填词在句子中作主语，所以要用名词形式。答案：achievement3解析：考查时态。根据句中的时间状语In ancient times可知，suffer要用一般过去时。答案：suffered4解析：考查非谓语动词。所填词表示目的，所以用动词不定式。答案：To help5解析：考查固定搭配。better still为固定搭配，意为“更妙的是”。答案：Better6解析：考查代词。本空指代前面提到的Chengdu Plain，所以要用it。答案：it7解析：考查词性
11、转换。分析句子结构可知，此处需要用形容词peaceful的副词形式peacefully修饰动词live。答案：peacefully8解析：考查定语从句的引导词。句中的modern dams是先行词，关系词在后面的定语从句中作地点状语，所以填where。答案：where9解析：考查非谓语动词。前后两部分之间没有连接词，所以所填词要用非谓语动词。enable与前面的句子是主谓关系，所以用动词ing形式作结果状语。答案：enabling10解析：考查固定搭配。in harmony为固定搭配，意为“和谐无间”。答案：in.短文改错On my way home from school last Frid
12、ay, I saw a little dog looking hopelessly on the sidewalk. I was held it firmly up in my arms, took it home and feed some milk to it. However, my mom was unwilling to keep them，saying there was enough pets for us, two cats and a dog. I begged my mom not to let it go. Finally，we agree that it would b
13、e decided by my dad, whom didnt return home from work. Just then the girl and her dad drove near, searching for their lost pets. When they thanked us caring the dog, I felt very happy.答案： On my way home from school last Friday, I saw a little dog looking on the sidewalk. I was held it firmly up in m
14、y arms, took it home and some milk to it. However, my mom was unwilling to keep ，saying there enough pets for us, two cats and a dog. I begged my mom not to let it go. Finally，we that it would be decided by my dad, didnt return home from work. Just then girl and her dad drove near, searching for their lost . When they thanked us caring the dog, I felt very happy.