单项选择题

The age of other trees is variously estimated as ______ from two hundred to eight hundred years.

A．changing
B．differing
C．varying
D．ranging
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Topic：Some people believe that money is the source of happiness；others maintain that money is the root of all evil．What is your attitude towards money
单项选择题
A．profitableB．promisingC．promptD．progressive
A．profitable
B．promising
C．prompt
D．progressive
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