单项选择题

A．Less than ten minutes.B．About twenty minutes.C．Over a……

Questions 14-17 are based on the following dialogue between classmates about their presentation. You now have 20 seconds to read Questions 14-17.How much time do the man and the woman have before they address the class

A．Less than ten minutes.
B．About twenty minutes.
C．Over an hour.
D．Forty-five minutes.

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热门试题

单项选择题What does learning to speak mean, according to the professor

A．It means being able to put together the right groups of words and to say them in a reasonably accurate way.
B．It means being able to pronounce correctly.
C．It means having an accurate tone and pronunciation.
D．It means speaking must obey certain grammar..

单项选择题This and that is mentioned in the third paragraph to indicate______.

A．that there is no superiority of one language over another
B．the inadequacy of the Western languages
C．the complexity of some American Indian languages
D．the backwardness of the Western languages

填空题outside the Customs Hall

填空题Insulators prevent heat from being radiated into space.

单项选择题Many doctors believe that the bypass operation______.

A．is a better way of prolonging one’s life
B．is the only solution to the blockage of one artery
C．should be used to prevent advanced diseases
D．has no effect at all on serious patients