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。D.saved【答案】 B 【解析】【分析】句意:世界自然基金會(huì)正努力工作來拯救處于危險(xiǎn)中的動(dòng)物。此處表示目的,應(yīng)該用動(dòng)詞不定式。故選B?!军c(diǎn)評(píng)】考查動(dòng)詞不定式。動(dòng)詞不定式表示目的。13.It is necessary for us students _____ the listening ability. A.to improveB.improvingC.improveD.improves【答案】A 【解析】【分析】句意:對(duì)于我們學(xué)生來說提高聽力能力是有必要的。it39。s +形容詞+for sb to do sth 做某事對(duì)于某人來說怎么樣 ,故答案為A?!军c(diǎn)評(píng)】考查不定式。掌握固定搭配it39。s +形容詞+for sb to do sth。14.When you leave, please turn off the lights energy.A.saveB.to saveC.savingD.saved【答案】 B 【解析】【分析】句意:當(dāng)你離開時(shí)請(qǐng)關(guān)燈以節(jié)約能源。動(dòng)詞不定式表示目的,結(jié)合句意,故選B。15.The policeman warned the man after drinking. A.not to driveB.to driveC.driving【答案】 A 【解析】【分析】句意:警察警告那個(gè)男人不要酒后駕駛。warn sb not to do sth,警告某人不要做某事,故選A。 【點(diǎn)評(píng)】考查不定式,注意warn sb not to do的用法。16.He was _______ in the traffic accident. A.injureB.injuringC.injuredD.injurns【答案】 C 【解析】【分析】句意:他在交通事故中受傷。動(dòng)詞,injure,傷害,與主語he 是被動(dòng)關(guān)系,需要使用被動(dòng)語態(tài)be done,根據(jù)助動(dòng)詞was,故此處是過去分詞,故選C。 【點(diǎn)評(píng)】考查被動(dòng)語態(tài),注意injure和主語是被動(dòng)關(guān)系的用法。17.My little brother didn39。t go to bed until he finished his homework last night. A.doB.doingC.to do【答案】B 【解析】【分析】句意:昨天晚上我弟弟直到完成作業(yè)才睡覺。finish doing sth完成做某事,故答案為B?!军c(diǎn)評(píng)】考查動(dòng)名詞的用法,掌握固定搭配。18.I look forward _____ you soon. A.seeB.seeingC.to seeD.to seeing【答案】D 【解析】【分析】句意:我盼望盡快見到你。look forward to doing sth盼望做某事,故答案為D。【點(diǎn)評(píng)】考查固定搭配,注意look forward to中的to是介詞,后跟動(dòng)名詞。19.—You can only keep the books for two weeks, Tom. Remember ____them on time.—I will.A.return1