单项选择题

Freeze-dried foods ______.

A．always contain meat
B．need refrigeration
C．are dried and then frozen
D．last for a long time unspoiled
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单项选择题
The best title for this selection is ______.
A．Food from Coal and Gas
B．Non-Spoiling and New Foods
C．Spacecraft Food
D．The Shortage of Food
单项选择题
How do we describe the neighbors' son
A．Noisy.
B．Crazy.
C．Car-lover.
D．Music-lover.
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