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写出可以用来检测 DNS 资源创建的是否正确的两个工具 、 。
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【单选题】听力原文：As an increasing number of students now indulge themselves in cyber games, the government is taking measures to prevent students from haunting Internet bars. (27)
A.
More and more students now play cyber games in Internet bars after class, of which government failed to take notice.
B.
Due to the influence of cyber games on students, certain policies are adopted to prohibit students from frequenting Internet bars
C.
As students are crazy about cyber games, more and more Internet bars have been set up to meet the demands from students.
D.
The government has been taking measures to shut down as many Internet bars as possible.
【单选题】To cyber-enterprises, the key may be this : a virtual shop needs much the same attention and innovation ____ a real one.
A.
like
B.
as
C.
just like
D.
as like
【单选题】How to protect more kids from being harmed by cyber bullying?
A.
Work with other parents to take corrective action.
B.
Talk with cyber bullies about their dangerous behavior.
C.
Let appropriate authorities know about the cyber bullying.
D.
Participate actively in kids’ online activities and communication.
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