Some Americans judge success on the length of his vacations. The man who gets a month’s vacation each year consider himself more successful than the man gets two weeks. Many people want to be teachers because it are teachers who can get three-month vacation every year. Some college teachers who teach the three classes consider themselves less successful than that who teach only one or two, or none in all. In short, the less work Americans do, the less successful they consider themselves.on--by
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(答案→)on--by
解析：一些美国人根据休假的长短来判断成功与否。一年有一个月假期的人，自认为比有两周假期的人更成功。一些人想要做老师，因为老师可以有三个月的假期。
【小题1】考查固定搭配。Judge...by...通过......判断......。故把on改成by。
【小题2】Some Americans是复数，his指他的，故把his改成their。
【小题3】主语The man是单数，谓语也要用第三人称单数，故把consider改成considers。
【小题4】根据 The man who gets...可知，是定语从句，故在the man后加who，或用现在分词作后置定语，把gets改成getting。
【小题5】考查强调句型。It is...that是强调句型，强调句型不能用are，故把are改成is。
【小题6】a+数词-week/month/year作定语，意为“一个一周/一月/一年的......”。故把get改成get a。
【小题7】three classes三节课，the多余，故把the去掉。
【小题8】这里的比较对象是teachers，that指代单数，故把that改成those。
【小题9】not at all一点也不，这里的none表示否定，none at all在此意为“一节课也没有”。故把in改成at。
【小题10】美国人认为，工作越少，就越成功。故把less改成more。