单项选择题

Passage One
Questions 26 to 29 are based on the passage you have just heard.

A．Man will probably be able to live there in 200 years.
B．Scientists are rather pessimistic about it.
C．Man will probably be able to live there in 100,000 years’ time.
D．Scientists are optimistic about overcoming the difficulties soon.
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单项选择题
A．To show how politics have changed over the years.B．To point out that T-shirts often provide personal information.C．To illustrate how the printing on clothing has improved.D．To support that T-shirts are a form of art.
A．To show how politics have changed over the years.
B．To point out that T-shirts often provide personal information.
C．To illustrate how the printing on clothing has improved.
D．To support that T-shirts are a form of art.
单项选择题
A．They carried passengers, but not cargo.B．They were large, but surprisingly fast.C．They were the first successful steam-powered ships.D．They were more reliable than other ships of the 1860’s.
A．They carried passengers, but not cargo.
B．They were large, but surprisingly fast.
C．They were the first successful steam-powered ships.
D．They were more reliable than other ships of the 1860’s.
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