2. 外语
  3. Because he is busy making money now, he is ______ of new developments in his original field.

Because he is busy making money now, he is ______ of new developments in his original field.

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问题 Because he is busy making money now, he is ______ of new developments in his original field.
选项 A、ignorant
B、innocent
C、illiterate
D、negligent
答案A
解析 本题考核近义形容词辨析使用。选项：ignorant意为“不知的，无知的”，常用于短语be ignorant of；innocent意为“无辜的，清白的”，常用于短语be innocent of；illiterate意为“未受教育的，文盲的”。negligent意为“疏忽的，粗心大意的”，如：One should not be negligent in traffic regulations．对交通规则不可掉以轻心。故A符合句意：因为他现在忙于赚钱，所以对其原来专业方面的新发展不了解。
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大学英语四级

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