单项选择题

A．Physical chemistry.
B．Life experience.
C．Introduction to Science.
D．Biology.
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单项选择题
A．He’s spent all his money.B．After all he prefers his old one.C．He hasn’t, found one large enough.D．He hasn’t found a suitable one.
A．He’s spent all his money.
B．After all he prefers his old one.
C．He hasn’t, found one large enough.
D．He hasn’t found a suitable one.
单项选择题
A．Trip by coach is as expensive as that by train.B．Trip by coach is cheaper than that by train.C．Trip by coach is more expensive than that by train.D．Trip by coach is as cheap as that by train.
A．Trip by coach is as expensive as that by train.
B．Trip by coach is cheaper than that by train.
C．Trip by coach is more expensive than that by train.
D．Trip by coach is as cheap as that by train.
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