单项选择题

A．The earth will get even cooler.
B．No species will survive in fifty years.
C．30% of all life forms will become extinct by 2050.
D．No sun’s heat can reach the earth at all.
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单项选择题
A．Beginner.B．Lower intermediate.C．Upper intermediate.D．Advanced.
A．Beginner.
B．Lower intermediate.
C．Upper intermediate.
D．Advanced.
单项选择题
A．Many people are fond of Sabrina.B．Sabrina doesn’t like others to get to know her.C．It’s difficult to get close to Sabrina.D．The woman is encouraging the man to get near to Sabrina.
A．Many people are fond of Sabrina.
B．Sabrina doesn’t like others to get to know her.
C．It’s difficult to get close to Sabrina.
D．The woman is encouraging the man to get near to Sabrina.
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