单项选择题


Questions 19 to 21 are bused on the conversation you have just heard.

A．Its disadvantages outweigh its advantages.
B．It is useful if properly used.
C．It may well spoil one’s vacation plan.
D．It can raise his efficiency.
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单项选择题
A．Helping her younger brother to take part in the local Special Olympisc.B．Telling about her experience as a volunteer at the local Special Olympics.C．Calling on people to help the children who suffer from Down’s syndrome.D．Explaining the origins, events, and philosophy of the Special Olympics.
A．Helping her younger brother to take part in the local Special Olympisc.
B．Telling about her experience as a volunteer at the local Special Olympics.
C．Calling on people to help the children who suffer from Down’s syndrome.
D．Explaining the origins, events, and philosophy of the Special Olympics.
单项选择题
A．Most cancer diseases could be treated.B．Cancer diseases could increase a lot in the next 20 years.C．Tobacco use is the number one cause of cancer.D．Colon cancer is especially common in developing countries
A．Most cancer diseases could be treated.
B．Cancer diseases could increase a lot in the next 20 years.
C．Tobacco use is the number one cause of cancer.
D．Colon cancer is especially common in developing countries
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