单项选择题


Questions 11 to 18 are based on the conversation you have just heard.

A．The play is seldom delayed to start.
B．The play will start twenty minutes later.
C．The newspaper is seldom wrong.
D．They probably have to continue to wait.
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单项选择题
A．It may not pay well.B．It may not come on time.C．It may not take your goods.D．It may charge the quote.
A．It may not pay well.
B．It may not come on time.
C．It may not take your goods.
D．It may charge the quote.
单项选择题
What have Christopher Ross’ experimental results revealed to us
A．Those inheritable diseases may be cured through genetic testing.
B．Those inheritable diseases may be predicted through genetic testing.
C．Those inheritable diseases may be prevented through genetic testing.
D．Those inheritable diseases may be controlled through genetic testing.
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