单项选择题

Certainly man must ______ the future, and find ways of providing for his use.

A. look to
B. look up
C. look for
D. look on
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单项选择题
Many young people believe that war is stupid and unnecessary. To them, to lose one’s life on the battlefield is ______ .
A．glorious
B．futile
C．heroic
D．courageous
单项选择题
I’ll just () an eye over these figures before you type them.

A. toss
B. cast
C. fling
D. throw
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