单项选择题

What does "this" in "Even expecting this" (par

A．2) refer toA. The distance between San Francisco and New York.B. The vastness of the country.C. The size of the Mediterranean Sea.D. The country's borders.

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单项选择题

What made the most negative impression on foreign visitors

A．The country's vastness.
B．The informal friendliness of Americans.
C．The fact that the American accent is hard to understand.
D．The fact that not many Americans can speak any foreign language.

单项选择题

Which of the following is NOT an advantage of Computertowns

A．Experts give lectures and talks on computers.
B．Experts are on hand to answer people's questions.
C．People are left to discover computers on their own.
D．There are computers around for people to practise on.