单项选择题

A．Cotton.
B．Coffee.
C．Iron.
D．Rubber.
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单项选择题
What fails him
A．He can’t find good subjects to photograph.
B．His indoor shots are too dark.
C．His pictures are often blurry.
D．His camera is too old for good detail.
单项选择题
A．Machines can do all the physical work for man.B．Machines can do all the mental work for man.C．All heavy labor should be replaced by machines.D．All heavy labor shouldn’t be replaced by machines.
A．Machines can do all the physical work for man.
B．Machines can do all the mental work for man.
C．All heavy labor should be replaced by machines.
D．All heavy labor shouldn’t be replaced by machines.
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