A. | Convinced | B. | Convincing | ||
C. | Being convinced | D. | Having convinced |
分析 確信氣候變化對(duì)我們的星球造成了威脅,所有國(guó)家都專注于清潔能源的使用.
解答 答案:A
句子有逗號(hào)分隔,沒(méi)有連詞,要用非謂語(yǔ)動(dòng)詞;convince與主語(yǔ)all the nations構(gòu)成動(dòng)賓關(guān)系,要用表示被動(dòng)的過(guò)去分詞,即all the nations are convinced;句意表達(dá)的是事實(shí),不是正在發(fā)生的動(dòng)作,不能用分詞的進(jìn)行式.故選A.
點(diǎn)評(píng) 過(guò)去分詞是非謂語(yǔ)動(dòng)詞的一種,用法很靈活,分為簡(jiǎn)單式done(表示與謂語(yǔ)同時(shí)或幾乎同時(shí)發(fā)生的動(dòng)作);完成式having been done(表示先于謂語(yǔ)的動(dòng)作).學(xué)習(xí)時(shí),要把握其用法特征:表示被動(dòng)和完成.同時(shí)還要注意區(qū)分現(xiàn)在分詞和不定式.
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