高二英語教案：《Saving the earth總復(fù)習(xí)》教學(xué)設(shè)計(2)

　　【注意】next不能單獨用在decade或century之前。如：(×) Something will happen next decade.

　　(√) Something will happen in／during the next decade. 下個十年將會發(fā)生某些事情。

　　【辨析】next；the coming: next指位置、時間上緊挨著和past相對，常用next替代。  ① The next house to ours is a mile away. 離我們家最近的下一座房子在一英里之外。② Where will you be during the next／coming few weeks?下幾個星期你們將在什么地方?

　　4. Coal is a valuable resource that can be used to produce energy, but it can also cause serious pollution. 煤是一種用來生產(chǎn)能量的珍貴資源，但是，它也能引起嚴(yán)重的污染。(p. 66 Speaking 'Situation')

　　1) valuable意為"貴重的、重要的；有益的；有作用的"，常與介詞for或to連用。如：① They gave us valuable practice in helping the eyes，brains and muscles to work together. 他們在使眼睛、頭腦和肌肉協(xié)同動作方面提供寶貴的鍛煉機(jī)會。② This tool is valuable for doing electrical repairs. 這工具對修理電器很有用。 ③ I'm sure my information is valuable. 我確信我的消息很有價值。

　　【鏈接】valuable相當(dāng)于be of value。如：This book is very valuable to me in my studies. = This book is of great value to me in my studies. 這本書對我的學(xué)習(xí)很有價值。

　　【辨析】valuable；priceless；invaluable；precious

　　valuable指任何值錢的或可以帶來巨額利潤的、非常有用的或受人珍視的東西。/ priceless意為"無價的，貴重的"，用于加強(qiáng)語氣、加深程度等情況。/ invaluable意為"無法估價的"，不用于談金錢，而指品質(zhì)。/ precious指任何昂貴的、貴重的、珍貴的東西，尤其適用于失掉后無法補(bǔ)償?shù)臇|西。① This ancient gold coin isn't just valuable，it's priceless. 這枚古金幣不只是珍品，而且是無價之寶。 ② His advice has been invaluable to the success of the project. 他的意見對于這項工程的成功是無可估量的。③ To me, our friendship is a very precious thing. 對我來說，我們之間的友誼是非常珍貴的。

　　【注意】表示東西價值很小或沒有價值時，用worthless或valueless。如：It looked like gold, but in fact it was worthless／valueless. 這看起來像是金子，其實毫無價值。

　　2) 在定語從句that can be used to produce energy中，動詞use被用作被動時態(tài)，be used to do sth. 意為"被用來做......"。如：① This old box is used t0 keep books．這個舊箱子用來裝書。② Every means has been used to prevent pollution. 我們已利用各種手段來防止污染。③ Coal can be used to keep warm. 煤可用來取暖。

　　【鏈接】(1) used to do sth. 指過去常做某事，而現(xiàn)在不再如此，強(qiáng)調(diào)今昔對比。

　　be                  sth.

　　(2)    get        used to

　　become              doing sth.

　　習(xí)慣于做某事，適用于各種時態(tài)。

　　(3)  be used for sb. 為某人而用/ doing sth. 被用來做某事；as／for sth. 被當(dāng)成...用 ① I don't smoke these days, but I used to. 我現(xiàn)在不抽煙，但我以前是抽的。 ② You will soon get used to our way of life. 你將很快習(xí)慣于我們的生活方式。 ③ The girl is being used as a servant in the house. 這女孩在家里被做傭人使用著。④ What do you use this tool for? 這個工具用來做什么用的?

　　5. You will attend the meeting and discuss the issue.你將參加會議并討論問題。(p. 66 Speaking 'Situation')

　　1) attend可用作及物動詞或不及物動詞，此處意為"參加；出席；到場"，可用于被動語態(tài)。如：① She was sick so she didn't attend her classes. 她生病了，所以沒去上學(xué)。② The football match was attended by thousands of football fans. 數(shù)以千計的球迷觀看了這場足球賽。③ Please let me know if you are unable to attend. 如果你不能出席，請通知我們。

　　【拓展】attend 還可意為"照料" (常和on／upon連用) 和"接待" (常和to連用)。如: ① She attended (on) the wounded soldier day and night. 她日夜護(hù)理著負(fù)傷的戰(zhàn)士。② Are you being attended to? 有人招待你嗎? (店員對客人的招呼語)

　　【辨析】attend，join(in)；take part in