单项选择题

A．Master’s.
B．Associate.
C．Doctor’s.
D．Bachelor’s.
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问答题
1．每个人都想获得财富，财富似乎就是幸福； 2．其实世界上有许多东西是财富换不来的。
单项选择题
A．Rivers can be polluted, seas over fished, and forests may vanish.B．Nature will replace trees quickly.C．There will be plenty of fish in the sea.D．The air will be purified easily.
A．Rivers can be polluted, seas over fished, and forests may vanish.
B．Nature will replace trees quickly.
C．There will be plenty of fish in the sea.
D．The air will be purified easily.
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