人教版高一英語必修三專題之 句型透析 學(xué)案：Unit5　Canada—“The True North”.doc

二、句型剖析1.the second largest /biggest 第二大【典型例句】its the second most interesting novel，but not the first best one.在最有趣的小說中，這本書名列第二，不是第一。she is the third best student in class. 她在班上名列第三。the huanghe river is the second longest river in china.黃河是中國(guó)第二大河。canada is the second biggest country in the world.加拿大是世界上第二大國(guó)家?！局R(shí)小結(jié)】“the +序數(shù)詞+形容詞最高級(jí)+n.”表示“第幾”的意思。序數(shù)詞可以修飾形容詞的最高級(jí)。有時(shí)在形容詞最高級(jí)前不加定冠詞the,而是加不定冠詞a 或an，表示“很；非?！?；沒有“最的”意思。如：this is a most interesting novel. 這是一本非常有趣的小說。另外，當(dāng)序數(shù)詞前加定冠詞時(shí)，表示“第幾”，但當(dāng)序數(shù)詞前加不定冠詞時(shí)表示“再；又”。如：he has eaten two apples ,and he wants to have a third one.他已吃了兩個(gè)蘋果，他還想吃一個(gè)?；顚W(xué)巧用1.單項(xiàng)填空（1）greenland, _ island in the world， covers over two million square kilometres.a.it is the largestb.that is the largestc.is the largestd.the largest答案：d（2）how beautifully she sings! ive never heard _.a.the better voiceb.a good voicec.the best voiced.a better voice答案：d（3）as we know, canada is _ country in the world.a.a second largerb.the second largestc.the second larged.the second larger答案：b（4）is the flower beautiful?yes, at _ its _ the one i bought yesterday.a.least; as bad asb.least; no better thanc.least; not better thand.least; no worse than答案：d2.not until 直到才【典型例句】i shall stay here till /until next sunday.我將留在這兒一直到下星期天。he had been in beijing till/ until last week.他在北京一直呆到上星期。dont wake him till/until midnight.午夜以前不要叫醒他。he didnt arrive until the game had begun.直到比賽開始他才來到。he didnt appear till/until the concert had begun.直到音樂會(huì)開始他才露面?！鞠嚓P(guān)鏈接】till/until prep.（1）（用于肯定句，與延續(xù)性動(dòng)詞連用）直到為止。（2）（用于否定句，與非延續(xù)性動(dòng)詞連用）not until “直到才；在以前”till/until conj.從屬連詞，引導(dǎo)時(shí)間狀語從句。（1）主句為肯定句，主句的謂語動(dòng)詞為延續(xù)性動(dòng)詞，直到為止。（2）用于否定句的主句之后，主句中的謂語動(dòng)詞常用非延續(xù)性動(dòng)詞，表“直到才”。另外，not until 還可以用于倒裝句和強(qiáng)調(diào)句。如：not until i told him did he know about it.it was not until i told him that he knew about it.我告訴他，他才知道的?；顚W(xué)巧用2.1)單項(xiàng)填空（1）it was not until _ that _ to prepare his lessons.a.did his father come in ;the boy beganb.his father came in; the boy beganc.did his father come in ;did the boy begand.his father came in; did the boy begin提示:這是not until 的強(qiáng)調(diào)句式。答案:d（2）_ he met with the difficulty did he realize the importance of our help.a.even thoughb.never untilc.only befored.ever since提示:本題考查倒裝句用法。四個(gè)選項(xiàng)中只有never until 和only before 能用倒裝句，而only before 和句子的意思不相符。答案:b2）漢譯英（1）他們一直工作到天完全暗下來。_答案：they kept on working until it became completely dark.（2）一直往前，直