⑹ through與across、over的用法區(qū)別： through指"穿過…(門洞/人群/樹林)"； across和over可以指"跨越…(街道/河流)",可互換,但是表示"翻過…"時只能用over. 如：Just then a rat (鼠)ran across the road.(就在那時一只老鼠跑過路面)/ There is a bridge across/over the river.(河上有座橋)/ They climbed over the mountain and arrived there ahead of time.(他們翻過大山提前到達了那里)/ The visitors went through a big gate into another park.(參觀者們穿過一個大門來到另一個公園)

　　(7)as與like的區(qū)別：兩個詞都表示"像……",但是as譯為"作為……",表示的是職業(yè)、職務、作用等事實,而like譯為"像……一樣",表示外表,不是事實。如：Let me speak to you as a father.(我以父親的身份和你講話。)(說話者是聽者的父親) / Let me speak to you like a father.(讓我像一位父親一樣和你講話)(說話者不是聽者的父親)

　　(8)at the end of、by the end of、to the end、in the end的用法區(qū)別：at the end of…既可以表示時間也可以表示地點,譯為"在…末；在…盡頭",常與過去時連用；by the end of…只能表示時間,譯為"在…前；到…為止",常用于過去完成時； in the end與at last基本等義,表示"終于、最后",通常用于過去時；to the end譯為"到…的終點為止",前面往往有表示運動或連續(xù)性的動詞。如：By the end of last term we had learned 16 units of Book III.(到上學期期末我們已經學習了第三冊16個單元)/ At the end of the road you can find a big white house with brown windows.(在路的盡頭你能找到一幢有棕色窗戶的白房子)/ They left for Beijing at the end of last week.(上周末他們動身去了北京)/ In the end he succeeded in the final exams.(他最終在期末考試中考及格了)/ We should go on with the work to the end.(我們應該把工作干到底)/ Follow this road to the end and you will see a post office.(沿這條路走到底就能看見一家郵電局)

　　(9)for a moment、for the moment、in a moment、at the moment的區(qū)別：for a moment"一會兒、片刻"(=for a while),常與持續(xù)性動詞連用；for the moment"暫時、目前",常用于現在時；in a moment"一會兒、立即、馬上"(=soon; in a few minutes),一般用于將來時；at the moment"此刻,眼下"(=now),用于現在進行時。如：Please wait for a moment.(請稍等)/ Let's leave things as they are for the moment.(暫時就維持現狀吧！) / I'll come back in a moment.(我過會兒回來)/ I am very busy at the moment.(眼下我很忙)

　　(10)but的問題：用介詞but引出另一個動詞時,要注意：如果前面有do,后面就用原形動詞,前面沒有do時,后面的動詞要加to。如：I could do nothing but wait.(我什么也做不了只能等) / They had no choice(選擇) but to fight.(他們沒有選擇只有戰(zhàn)斗)

　　(11)in front of 與in the front of： in front of"在…的前面", 與in the front of"在…的前部"。如：A car was parking in front of the hall.(大廳跟前停著一輛汽車)/ In the front of the hall stood a big desk.(大廳前部立著一個大講臺)

　　(12)except與besides的區(qū)別：except"除了",表示排除掉某人物,即不包含；而besides"除了"則表示包含,即"不僅……又……"。如：Everyone went to the Palace Museum except Tom.(除了Tom,大家都去了故宮博物院)(Tom沒有去故宮)/ Besides Chinese he also studied many other subjects.(除了漢語之外,他還學其他許多功課)("漢語"也是他學的功課之一)
 

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