【正文】 A. which B. with which C. without which D. that6. she is a teacher of much knowledge, _____much can be learned. A. who B. that C. from which D. from whom7. He built a telescope _____he could study the skies. A. in which B. with that C. through which D. by it8. Do you know the reason ____he was late? A. that B. which C. for what D. for which9. I have bought two ball pens, ____writes well. A. none of which B. neither of which C. none of them D. neither of them10. The Second World War _____millions of people were killed in 1945. A. during which B. in that C. where D. on which11. China has many rivers,_ ___the Changjiang River is the longest. A. which B. in which C. among which D. one of which12. This is the very knife _____I used to cut apples yesterday. A. that B. by which C. which D. with which13. The speed ____which you drive your car mustn’t too high.14. In the park there are many flowers, the colour _____ which is bright and nice.15. The little girl is reading a book, _____ which there are many pictures.16. What were the things _______which he was not too sure?17. They held a meeting, ____which the hospital director made a speech.18. The book, _____which he paid 6 yuan, is worth reading.19. Is this the man ____whose house the police found the lost colored TV?20. The villagers dug along tunnel ______which they could go to the fields without being found by the Japanese soldiers.21. Wu Dong, _____whom I went to the concert, enjoyed it very much. stories about Long March, _____which this is one example, are well written.結論： 介詞﹢關系代詞引導的定語從句，關鍵是判斷介詞的選擇，方法一是看從句謂語部分缺少什么介詞(習慣搭配)，再則可以通過整個句子整體含義來判斷，結合生活實際來判斷。我不知道年少輕狂，我只知道勝者為王。. .。歡迎您的光臨，！希望您提出您寶貴的意見，你的意見是我進步的動力。3)如果先行詞中既含有表示人的名詞又有表示物的名詞時?！狈窍拗菩远ㄕZ從句修飾整個主句，應用as引導，故答案為B?！　?．引導限制性定語從句時并作從句賓語的關系代詞whom可以用who來代替；但在非限制性定語從句中，whom就不能用who替換?！　?. 先行詞為reason時，限制性定語可以用why或for which來引導；非限制性定語從句則只能用for which來引導。( 關系代詞 which在從句中充當expect的賓語，但因為引導的是非限制性定語從句，所以不能省略) 6）譯法不同：把句子翻譯成漢語時，限制性定語從句中，通常先譯從句后譯先行詞；而非限制性定語從句中則往往相反。 句中as 是關系代詞，引導非限制性定語從句，指代后面整個主句的內(nèi)容。另外，如果先行詞是專有名詞或獨一無二的人或物，通常用非限制性定語從句。一般地說，限制性定語從句用來限制先行詞的意義，與先行詞關系密切，是整個句子不可缺少的一部分，否則會造成全句意義不明確。 5．That was in 1929，since when things have been better．那是在1929年，從那時起情況就已經(jīng)好轉(zhuǎn)了。why不引導非限制性定語從句。 　　7． In his office there are nine clerks，the youngest of whom is Mr Liu．他辦公室有9個職員，其中最年輕的是劉先生。 　　2．Dad，this is Zheng Jie，who I knew in Paris．爸，這是鄭杰，我在巴黎認識的。 在否定意義的非限制性定語從句里，一般用which引導。(9)先行詞是國家名詞表地域概念時。s brother is a policeman，which he isn39。t give out light itself，is only a satellite of the earth．月球本身不發(fā)光，它只是地球的一個衛(wèi)星。 　　1）They talked about a movie，the name of which I39。 　　eg．He wasn39。 My house, which I bought last year, has got a lovely garden.　我去年買的的那幢房子帶著個漂亮的花園。引導非限制性定語從句的關系代詞有as，which，who， whom，whose等，作定語從句的主語、賓語、表語及定語。2. 引導詞：分為關系代詞和關系副詞。，用which， 而不用that. 例如：Tom came back， which made us happy. 湯姆回來了，這使我們很高興。例如：This is the person whom you are looking for. 這就是你要找的那個人。（作主語）The film （which） we saw last night was wonderful. 我們昨天晚上看的那部電影很好看。三、定語從句的分類根據(jù)定語從句與先行詞的關系，定語從句可分為限制性定語從句及非限制性定語從句。關系代詞和關系副詞放在先行詞及定語從句之間起連接作用，同時又作定語從句的重要成分。例如：The building which stands near the train station is a 。（2）含有介詞的固定動詞詞組中，介詞不可前置，只能放在原來的位置上。（5）關系詞只能用which，而不用that 的情況：， those時，用which， 而不用that.例如：What’s that which is under the desk？ 在桌子底下的那些東西是什么？，一般用which，而不用that.例如：This is the room in which he lives. 這是他居住的房間。六．限制性定語從句1. 限制性定語是指定語從句緊跟它所修飾的中心名詞或代詞之后，沒有逗號分開。沒有它，主句意思仍然完整。史密斯去年退休了，他曾經(jīng)是我的老師。 eg．Mike，as we expected，attended the meeting．像我們所期望的那樣，邁克參加了會議。(1)在“n．／pron．／num．．．．＋prep．＋ which”，“prep．＋which”定語從句里。The moon，which doesn39。Mike39。My family，which has 35 people，is a large one．我家有35口人，是一個大家庭。 　　4．Bamboo is hollow，which makes it very light．竹子是空的，這就使得它很輕。s father，who worked on the project，spent four years in Egypt．鮑勃的父親從事這項工程，在埃及度過了四年。 　　6． About 2，000people，many of whom were Europeans，worked on the project．大約兩千人從事過這項工程，其中很多是歐洲人。when ＝and then， where ＝and there。 4．His head soon appeared out of the second storey windows，from where he could see nothing but trees．他的頭很快從第二層樓的一個窗戶伸出來了，從那里他只能看見樹木。七、限制性和非限制性定語從句定語從句有限制性和非限制性定語從句兩種。第二句使用了非限制性定語從句，表明可能只有一個弟弟，18歲，起補充說明作用。 As has been announced, we shall have our final exams next week. (2003上海春) 我們將于下周舉行期末考試，這一點剛才已經(jīng)宣布了。t expected. 實驗的結果非常好，這簡直出乎我們的意料?！币龑揎梟oise的限制性定語從句可以用which或that來引導,故選A?！标P系代詞whom引導