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【单选题】
The car crashed into a queue of people, ______ were killed.A.
four of whom
B.
four of which
C.
four of them
D.
four of those
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反馈参考答案：
举一反三
【判断题】A copyright is a name, word or a symbol that has been registered by the owner for identifying its product line.()
A.
正确
B.
错误
【简答题】iDEN系统中 负责匹配iDEN系统与PSTN之间的数据速率,用于支持移动台数据和传真业务。
【单选题】In their efforts to define 'the alcoholic personality', some scientists ______.
A.
have identified typical alcoholics
B.
have identified preoccupation with self as a cause of alcoholism
C.
have found that alcoholics have some characteristics in common
D.
have produced an accurate description of a typical alcoholic
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