单项选择题

It is difficult to express it in ________of science.

A．words
B．terms
C．expressions
D．vocabulary
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单项选择题
The landlady told him to leave because he hadn’t paid his _________
A．bill
B．fee
C．fare
D．rent
单项选择题
There is no ________ in going to the cinema now as the film has already started.
A． reason
B． cause
C． motive
D． point
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