单项选择题

Twenty-four members took part in the debate, most of them making speeches （） to the chairman.

A．to oppose
B．be oppose
C．opposing
D．opposed

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单项选择题

Which of the following is very helpful in tracing the transnational hi-tech crime（）

A．The use of e-mail of the criminal.
B．The intended target of the criminal.
C．The data record that is kept.
D．The illegal use of computer in distributing pornography.

单项选择题

In the author’s view, some languages fall behind western languages in the aspect of（）.

A．their sound pattern
B．their grammatical structures
C．their vocabularies
D．their speakers