If the earth stopped moving, everything _____.
A.would disappearB.disappeared
C.will disappearD.disappears
A

試題分析:if的虛擬語(yǔ)氣非常重要,簡(jiǎn)要概括如下:1、表示與現(xiàn) 在事實(shí)相反的情況,從句:If主語(yǔ)+過(guò)去時(shí)(Be動(dòng)詞用were);主句:主語(yǔ)+should/would/could/might+do: 2、表示與過(guò)去事實(shí)相反的情況,從句:If主語(yǔ)+had+done;主句:主語(yǔ)+should/would/could/might+have done 3、表示對(duì)將來(lái)情況的主觀推測(cè),從句:①if+主語(yǔ)+were to do②if+主語(yǔ)+should+do ③if+主語(yǔ)+did(動(dòng)詞過(guò)去式)/were ;主句:主語(yǔ)+should/would/could/might+do;根據(jù)第一句中的stopped,可知本句應(yīng)該是與現(xiàn)在事實(shí)相反的虛擬語(yǔ)氣,使用主句中使用would+動(dòng)詞原形。句義:如果地球停止轉(zhuǎn)動(dòng),一切都會(huì)消失。故A正確。
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