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第 21課時(shí) 九年級(jí) Units 13~ 14 考點(diǎn)一 cut down的用法 【 課文原句 】 Well, to cut down air pollution, we should take the bus or subway instead of ,我們應(yīng)該乘坐公共汽車(chē)或者地鐵,而不是開(kāi)車(chē)。 (九 P98) (1)cut down意為“減少”,是“動(dòng)詞+副詞”結(jié)構(gòu)的短語(yǔ),所接的賓語(yǔ)若為名詞,賓語(yǔ)可位于 down的前面或后面;若為代詞,只能位于 down的前面。 You39。d better cut the article down to about 2, 000 好把這篇文章縮減到 2 000字左右。 (2)cut down還可表示“砍倒”。 They cut down the big 。 (3)含有 cut的短語(yǔ): cut off 切斷;切除 cut into把 ?? 切成 ?? cut up切碎 cut in插隊(duì);插嘴 1. (2022 江蘇揚(yáng)州江都模擬 )It is impolite for children to when their parents are talking with others. A. cut down B. cut out C. cut in D. cut short 2. (2022 山東青島中考 )Our country is taking action to air pollution. A. cut down B. cut up C. cut out D. cut off 考點(diǎn)二 表示 “ 花費(fèi) ” 含義的單詞辨析 【 課文原句 】 It39。s good for health and it doesn39。t cost anything!它對(duì)健康有益而且不花錢(qián)! (九 P98) cost, spend, take, pay表示“花費(fèi)”的區(qū)別 詞匯 用法 cost 事 /物+ cost+人+時(shí)間 /金錢(qián);還可以強(qiáng)調(diào)抽象的代價(jià) spend 人+ spend+時(shí)間 /金錢(qián)+ (in) doing/on sth. take It+ takes+人+時(shí)間+ to do pay 人+ pay+金錢(qián)+ for+物 3. (2022 山東濟(jì)寧中考 )That one mistake almost him his life. A. took B. paid C. cost D. spent 考點(diǎn)三 be harmful to的用法 【 課文原句 】 This is not only cruel, but also harmful to the , 而且對(duì)環(huán)境有害 。 (九 P99) be harmful to意為“對(duì) ?? 有害”,相當(dāng)于 do harm to或 be bad for。 Smoking is harmful to