题目

He was in hospital for six months. He felt as if he was _______ from the outside world. A. cut out                B. cut off      C. cut up   D. cut through 答案:B 解析: 此题的句意为“他住院六个月,感到似乎与世隔绝了”。使隔绝的表达为 “cut off”。cut up“切碎”, cut through “穿越,抄近道”,cut out “切下”,所以根据句意应选B项。在△ABC中,若,则△ABC的形状是(   ) A.直角三角形   B. 等腰直角三角形 C.等边三角形     D.等腰三角形
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