Passage one

46. 正确选项 C。 Interactive television advertising is successful when incorporatedinto situation comedies.
47. 正确选项 C。 Somewhat doubtful.
48. 正确选项 C。 It has placed TV advertising at a great disadvantage.
49. 正确选项 B。It has done well in engaging the viewers.
50. 正确选项 A。 They may be due to the novel way of advertising.

Passage Two

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51. 正确选项 B。Insufficient demand.
52. 正确选项 D。Groundless.
53. 正确选项 A。The booming defense industry.
54. 正确选项 A。Powerful opposition to government’s stimulus efforts.
55. 正确选项 C。To show the urgent need for the government to take action.

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