1、He made another wonderful discovery, which I think is of great importance to science.,Which引導(dǎo)的非限制性定語從句,非限制性定語從句： 非限制性定語從句的作用是對(duì)所修飾的成分作進(jìn)一步說明，通常和主句間用逗號(hào)隔開，將從句拿掉后其他部分仍可成立,非限制性定語從句的三個(gè)特點(diǎn),1. 從句如果去掉，主句的意思依然完整或 清晰； 2. 常用逗號(hào)隔開； 3. 不用that引導(dǎo),which引導(dǎo)的非限定性定語 從句來說明前面整個(gè)句子的 情況或主句的某一部分 ，that不能用于引導(dǎo)非限制 性定語從句,Her house,wh

2、ich was built a hundred years ago,stood still in the earthquake. (那座房子在地震中依然聳立，它是一百多年前建造的。),當(dāng)先行詞是專有名詞或物主代詞和指示代詞所修飾時(shí)，其后的定語從句通常是非限制性的。 CharlesSmith,whowasmyformerteacher,retiredlastyear. 查理史密斯去年退休了，他曾經(jīng)是我的老師。 Myhouse,whichIboughtlastyear,hasgotalovelygarden.我去年買的的那幢房子帶著個(gè)漂亮的花園。 Thisnovel,whichIhavereadt

3、hreetimes,isverytouching.這本小說很動(dòng)人，我已經(jīng)讀了三遍。,My watch,_is very old, stopped again. A that B which C who D where 非限制性定語從句是對(duì)被修飾部分進(jìn)行附加說明，如果去掉，主句的意思依然完整或清晰。它和主句之間的關(guān)系比較松散，因此常用逗號(hào)隔開，不用that引導(dǎo)。,（2011.北京）Mary was much kinder to Jack than to the others,_,of course, made all the others upset. Awho Bwhich Cwhat Dth

4、at 解析：首先看四個(gè)選項(xiàng)，都是連接詞，而且要選擇的選項(xiàng)位于逗號(hào)之后，將后面的從句去掉之后，主句的意思依然是完整的。由此我們可以判斷出此題考察非限制性定語從句的連接詞。那么，我們可以排除選項(xiàng)D，A用來指人，C選項(xiàng)一般不用做定語從句的連接，因此此題選擇B。,（09遼寧）Theyve won their last three matches,_I find a bit surprising. Athat Bwhen Cwhat Dwhich 解析：此處意思是“我發(fā)現(xiàn)他們已經(jīng)贏得了最后的三場(chǎng)比賽，這一點(diǎn)令人有點(diǎn)吃驚”，which代替上句“Theyve won their last three mat

5、ches”做find的賓語，選D。A項(xiàng)不能用于非限制性定語從句中，B指時(shí)間，C不引導(dǎo)定語從句。,After graduating from college, I took some tome off to go travelling,_turned out to be a wise decision. Athat Bwhich Cwhen Dwhere,(09寧夏)She brought with her three friends, none of _I had ever met before. Athem Bwho Cwhom Dthese 解析：考察非限制性定語從句。句意為“她帶著他的三個(gè)朋友，他們?nèi)齻€(gè)中沒有一個(gè)人我曾見過”。,（08安徽）All the neighbours admire this family,_the parents are treating their child like a friend. Awhy Bwhere Cwhich Dtha