题目内容

已知f(x)是定义在R.上的偶函数,且f(x+1)=-f(x-1),f(-2)=3, 则f(322)的值等于( )。

A. -1
B. 2
C. 1
D. 3

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10.若函数f(x)=x(x+a)为偶函数,则a=( )

It is reported that a project to build the longest bridge in the world is ____ these days.

A. on the way
B. in this way
C. under way
D. get in the way

At last, excited and surprised, he founded a ____treasure in the cave.

A. price
B. priced
C. low-priced
D. priceless

The ____team pitched on the mountain.

A. survey
B. surveying
C. assess
D. investigate

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