27. “The industry” (Line 6,Para.3) refers to:
A. [A] online advertisers
B. [B] e-commerce conductors
C. [C] digital information analysis
D. [D] internet browser developers
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28. Bob Liodice holds that setting DNT as a default
A. [A] many cut the number of junk ads
B. [B] fails to affect the ad industry
C. [C] will not benefit consumers
D. [D] goes against human nature
29. Which of the following is true according to Paragraph.6?
A. [A] DNT may not serve its intended purpose
B. [B] Advertisers are willing to implement DNT
C. [C] DNT is losing its popularity among consumers
D. [D] Advertisers are obliged to offer behavioural ads
30. The author's attitude towards what Brendon Lynch said in his blog is one of:
A. [A] indulgence
B. [B] understanding
C. [C] appreciation
D. [D] skepticism
在MVC模式中，核心内容为()
A. view
B. control
C. model
D. 不确认
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