题目内容
【题目】Some students are so . They often make mistakes in their homework.
A. carefulB. seriousC. carelessD. successful
【答案】C
【解析】
考查形容词词义辨析，句意：有些学生是如此的粗心以至于他们经常在作业里犯错误．根据"they often make mistakes"（他们经常犯错误）可知他们是粗心的．careful细心的；serious严谨的，严肃的；careless粗心的；successful成功的．故选C．
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