单项选择题

Judging from the context, the word "they" (line 2, Para.4) refer to ______.

A．the security risks
B．the terrorist attacks
C．environmental hazards of over-centralization
D．the security risks, economic expenses, and environmental hazards

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单项选择题

What is the author's attitude towards the reconstruction of The Pentagon and the World Trade Centre A) Supporting. C) Neutral. B) Critical. D) Hostile.

A．What is the author's attitude towards the reconstruction of The Pentagon and the World Trade Centre
B．Supporting.
C．Critical.
D．Neutral.
E．Hostile.

单项选择题

Which of the following statements is true according to the text

A．The telecity is a TV manufacturing city.
B．The telecity is a city of the speed and bandwidth of networks.
C．Singapore is closer to New York than Arkadelphia, Arkansas is in telicity age.
D．Singapore is actually closer to New York than Arkadelphia, Arkansas is.

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