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用酸奶替代酸味奶油 。 [知識拓展 ] (1)as a subsitute for sb./ /某物的代替者 /代用品 (2)substitute A with B 用 B代替代 A [詞語辨析 ] substitute與 replace (1)這兩個詞的含義略有不同 , substitute強(qiáng)調(diào) “ 代替 ,頂替 ” ;而 replace強(qiáng)調(diào) “ 替換 , 更換 ” ;即把舊的或壞的東西更換成新的 (通常用 take the place of更通俗些 )。 (2)在句型結(jié)構(gòu)上 , 通常是: ① substitute A for B“ 使用 A代替 B” (使用 A) She substituted honey for sugar. 她用蜂蜜代替糖 。 ② replace A with B “ 用 B替換 A” (使用 B) We replaced a flat tyre with a new one. 我們用新輪胎替換爆胎 。 [知識運(yùn)用 ] (1)(2020上海 )Plastic parts can________metal ones in many machines. But they don39。t last long. A. substitute for B. be replaced with C. take the place for D. be in place of 答案: A 從句意知選項(xiàng)意為 “ 替代 ” 。 C選項(xiàng)本身不對 , B、 D選項(xiàng)意為 “ 代替 ” 。 (2)The manager was unable to attend but sent his deputy________a substitute. A. for B. as C. of D. like 答案: B 本題題意:那位經(jīng)理不能出席 , 但派了他的助手替他參加 。 as在此句中意為 “ 作為 ” 。 (3)We must________a new chair for the broken one. A. instead B. instead of C. substitute D. take the place 答案: C 空白處在句中應(yīng)作謂語動詞 , 可排除 A、 B兩項(xiàng); take the place后缺 of, 只能選 C項(xiàng) 。 5. acknowledge v. 認(rèn)可;承認(rèn);確認(rèn);答謝 ① She is acknowledged as an expert on the subject. 她被公認(rèn)為這門學(xué)科的專家 。 ② She acknowledged herself puzzled. 她承認(rèn)自己感到不知怎樣才好 。 [知識拓展 ] (1)acknowledge sth./sb. 感謝 /承認(rèn) /認(rèn)可某物 /某人 (2)acknowledge sb./sth. to be... 承認(rèn)某人某物是 ?? (3)acknowledge that 承認(rèn) ?? (4)acknowledge sb. as...認(rèn)為 、 接受某人為 ?? [知識運(yùn)用 ] (1)(湖北省八校 2020屆高三第二次聯(lián)考 )His sacrifices for the country were never officially________, which made all of us feel discouraged. A. acknowledged B. appealed C. remended D. evaluated 答案: A 本題題意:他為國家所作出的犧牲從未受到過正式的表彰 , 這使得我們感到氣餒 。 acknowledge表示“ 承認(rèn) (某事物 )屬實(shí) ” 。 (2)(2020臨沂 )The young couple wrote to Mr. Grand to________his warm reception during their visit to his farm. A. acknowledge B. update C. consult D. acquire 答案: A 考查動詞詞義 。 A意為 “ 承認(rèn) , 感謝 ” ; B意為 “ 更新 ” ; C意為 “ 咨詢 , 商量 ” ; D意為 “ 獲得 , 得到 ” 。 由句意:那對年輕夫婦寫信感謝他的熱情款待 , 應(yīng)選 A。 6. occupy vt. 占領(lǐng) , 占據(jù);忙著 (做某事 );擔(dān)任 (某職 );使忙于;使從事 ① The army occupied the enemy39。s capital. 軍隊(duì)占領(lǐng)了敵國首都 。 ② My sister occupies an important position in the Department of the Environment. 我姐姐在環(huán)境部擔(dān)任要職 。 ③ The child occupied himself in playing his flute. 那孩子只顧著吹笛子 。 [知識拓展 ] (1)be occupied in doing sth. 忙于做某事 (2)occupy oneself with/in 忙于 ?? ;專心于 ??