单项选择题

Questions 23 to 25 are based on the conversation you have just heard.

A．This technology can cure all the diseases caused by genes.
B．This technology can not lead to a cure for cancer.
C．This technology has received great achievement in medical field.
D．This technology is still in its early stage.
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单项选择题
A．The market plays an important role in airline service.B．It introduces the history of the aviation service.C．It describes airline companies.D．It introduces the scale and scope of airline companies.
A．The market plays an important role in airline service.
B．It introduces the history of the aviation service.
C．It describes airline companies.
D．It introduces the scale and scope of airline companies.
单项选择题
A．The advertisements let us know the best product.B．The advertisements give us sufficient information.C．The advertisements fail to convince people.D．The advertisements give misleading information.
A．The advertisements let us know the best product.
B．The advertisements give us sufficient information.
C．The advertisements fail to convince people.
D．The advertisements give misleading information.
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