搜题
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第1题

We can infer from the passage that the author is ___________ about unified global Internet security rules and regulation
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第2题

The only way to deal with cyber security threats was to ___________. 选择一项： A. depend on the UN and the other deve
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第3题

There is / are ___________. 选择一项： A. various difficulties in keeping the Internet security B. no serious s
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第4题

Maintaining web security is ___________ for China. 选择一项： A. impossible B. difficult C. a piece of ca
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