题目内容

______

A. No one knows for sure when they came into being.
B. No one knows exactly where they were first made.
C. No one knows for what purpose they were invented.
D. No one knows what they will look like in the future.

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______

A. Measure the speed of wind.
B. Give warnings of danger.
C. Pass on secret me.
D. Carry ropes across rivers.

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Questions 23 to 25 are based on the passage you have just heard______

A. She was a tailor.
B. She was an engineer.
C. She was an educator.
D. She was a public speaker.

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Questions 20 to 22 are based on the passage you have just heard.______

A. People differ greatly in their ability to communicate.
B. There are numerous languages in existence.
C. Most public languages are inherently vague.
D. Big gaps exist between private and public languages

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Questions 16 to 19 are based on the passage you have just heard______

A. To introduce the chief of the city’s police force.
B. To comment on a talk by a distinguished guest.
C. To address the issue of community security.
D. To explain the functions of the city council.

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______

A. No one knows for sure when they came into being. B. No one knows exactly where they were first made. C. No one knows for what purpose they were invented. D. No one knows what they will look like in the future.

______

Questions 23 to 25 are based on the passage you have just heard______

Questions 20 to 22 are based on the passage you have just heard.______

Questions 16 to 19 are based on the passage you have just heard______

A. No one knows for sure when they came into being.
B. No one knows exactly where they were first made.
C. No one knows for what purpose they were invented.
D. No one knows what they will look like in the future.