It was reported the president hadto fight if war was necessary, even if it meant destroying his chances of re-election.
A. resolved
B. abandoned
C. compromised
D. decreased
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I had to _______ one of my email accounts as it was filled with junk mail.
A. resolve
B. abandon
C. compromise
D. decrease
利用非线性器件相乘作用来实现频率变换时,其有用项为()。
A. 一次方项
B. 二次方项
C. 高次方项
D. 全部
图形是指( )。
A. 所有的图片
B. 摄影图片
C. 矢量图
D. 位图
图形的构成形式是( )。
A. 点线面
B. 亲密性原则
C. 对比
D. 对齐