单项选择题

A．They both attract scientists’ attention.
B．They can both be quite challenging.
C．They are both thought-provoking.
D．They may lead to surprising findings.
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单项选择题
A．Priority should be given to listening.B．It’s most helpful to read English newspapers every day.C．It’s more effective to combine listening with reading.D．Reading should come before listening.
A．Priority should be given to listening.
B．It’s most helpful to read English newspapers every day.
C．It’s more effective to combine listening with reading.
D．Reading should come before listening.
单项选择题
A．It is more exciting than space travel.B．It is much cheaper than space travel.C．It is much safer than space travel.D．It is less time-consuming than space travel.
A．It is more exciting than space travel.
B．It is much cheaper than space travel.
C．It is much safer than space travel.
D．It is less time-consuming than space travel.
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