单项选择题

So little （） about physics that the lecture was completely beyond me.

A．I knew
B．did I know
C．I had known
D．had I known

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单项选择题
It is （） for her to wear a formal suit at the homely little party.

A．out of order
B．out of question
C．out of place
D．out of practice
单项选择题
Manufacturing companies spend millions of pounds trying to convince customers that theft products are （） to those of others.

A．better
B．best
C．super
D．superior
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