单项选择题

（）the sentence pattern and vocabulary（）, this paragraph is quite simple.

A．As far as ... is concerned
B．As far as ... are concerned
C．As far as ... is concerning
D．As far as ... concern

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单项选择题
Can machines perform the same tasks（）

A．that man does
B．which man does
C．what man does
D．as man does
单项选择题
Each of us was interested in the way in（）he illustrated his ide

A. what
B. that
C. which
D. how
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