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Unit 1 A land of diversity Ⅰ.单项填空 1．It never occurred to me ______ you could succeed in persuading him to change his mind. A．whichB．what C．that D．if 解析 考查固定句型。It occurs/occurred to sb.that...是固定句型，意思是：某人突然想起……，其中that引导主语从句，故选C项。 答案 C 2．When you get the paper back，pay special attention to what ______. A．have marked B．have been marked C．had marked D．had been marked 解析 句意：当你拿回试卷时须特别注意已经标注过的部分。本题考查动词的时态，该句强调过去已经修改过的东西并强调对现在的影响，用现在完成时，又因其主语为what，所以用被动语态。故用现在完成时的被动语态。 答案 B 3．A teacher should make his lessons simple enough for the students to ______. A．take off B．take up C．take in D．take down 解析 考查词组辨析。句意：老师应该使他的课足够简单到让学生理解。take off起飞，成功；take up从事；take in吸收；take down记下。 答案 C | 
