微分控制能够预测未来的误差，并引进适当的作用。
参考答案：对
What a pity ! The beautiful girl _____ a dishonest young man yesterday. [ ]
A. married
B. married with
C. was married
D. got married
飞机结构上，需要传递分布剪切载荷，且不需要拆卸的部位，通常采用哪种紧固件连接（）
A.螺栓类紧固件
B.Hi--Lok类紧固件
C.铆钉类紧固件
D.螺钉类紧固件
