金属扣合工艺是利用()材料制成连接件,通过其塑性变形把零件上的裂纹或断裂处连接起来的一种修理方法.
A.高塑性合金
B.高强度合金
C.有色金属及其合金
D.高韧性合金
参考答案:B
________, I have never seen anyone who is as capable as David.[ ]
A. As I have traveled so much
B. As long as I have traveled much
C. Now that I have traveled much
D. Much as I have traveled
编译程序生成的目标程序是不是一定是机器语言的程序?