一个奇函数与一个偶函数的和仍为奇函数。
A. 对
B. 错
His career as a soldier ended with injury to both eyes.——————————————————————————
New China has been promoting closer cooperation with other countries for peace since 1949.——————————————————————————————
China didn’t attain its 2012 foreign trade goal due to the debt crisis in Europe.————————————————————————————————