单项选择题

A．Their being built up of stones.
B．The shape of the pyramids.
C．People’s taking good care of them.
D．Effective measures to protect them.
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单项选择题
A．He is very satisfied with the new job.B．He is afraid of the job.C．He is bored with the job.D．He can earn a lot of money.
A．He is very satisfied with the new job.
B．He is afraid of the job.
C．He is bored with the job.
D．He can earn a lot of money.
单项选择题
A．It helps improve language fluency.B．It depends on individual experience.C．It is closely related to one’s habit.D．It helps improve one’s learning potential.
A．It helps improve language fluency.
B．It depends on individual experience.
C．It is closely related to one’s habit.
D．It helps improve one’s learning potential.
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