The Three Gorges Dam

          小字典     tame v.馴服reservoir n.水庫propose v.建議withstand v.抵擋negligence n.疏忽     1. 限制性定語從句對所修飾的詞加以限制,表示"……的人(或東西)",限制性定語從句描述的是主句不可缺少的一部分；非限制性定語從句對所修飾的詞沒有限制詞義的作用,而只是補充說明,通常都有一個逗號把它和句子的其他部分分開,在譯成中文時,這個從句常譯成一個并列句。如:     he is the man (who / that / whom) you’ve been expecting to meet.他就是你一直想見的那個人。     this is mr smith, whom / who you’ve been expecting to meet.這位是史密斯先生,你一直想見的那個人。     2. 在限制性定語從句中,that有時可代替who / whom / which,作賓語時可省略；在非限制性定語從句中,不能用that引導(dǎo),關(guān)系代詞作賓語時也不能省略。如:     the person (that / whom) i just referred to is tom.     there are 30 chairs in the hall, most of which are new.     3. 當(dāng)先行詞是專有名詞或由物主代詞/指示代詞修飾時,其后的定語從句通常是非限制性的。如:     charles smith, who was my former teacher, retired last year.     my house, which i bought last year, has got a lovely garden.     this novel, which i have read three times, is very touching.      4. 非限制性定語從句還能將整個主句作為先行詞, 對其進行修飾, 這時從句中的謂語動詞要用第三人稱單數(shù)。如:     my son failed again in the exam, which made me very angry.     注意:     1. 關(guān)系代詞that和關(guān)系副詞why不能引導(dǎo)非限制性定語從句。     2. as或which引導(dǎo)的非限制性定語從句,可以修飾整個主句或主句的一部分。as引導(dǎo)的定語從句還可以放在主句之前,而which引導(dǎo)的非限制性定語從句要放在句末。如:     as has been announced, we shall have our final exams next month.      we shall have our final exams next month, as / which has been announced.     3. as引導(dǎo)定語從句時,意為"正如……那樣",如:     as we know, smoking is harmful to one’s health. 正如我們所知,吸煙有害健康。  1、[單詞填空] 根據(jù)所給單詞的首字母或漢語提示完成下列句子。1. a g_____ is a deep, narrow passage with steep rocky sides.2. this is a modern hotel and can _____ 1,000 guests at least. 3. he has ____ cancer, so there is little hope of his full recovery. 4. the r______ which is formed by the three gorges dam is more than 500 kilometres long.