焊接性试验方法中不属于自拘束试验的是()。
A、斜Y形坡口焊接裂纹试验
B、搭接接头焊接裂纹试验
C、T形接头焊接裂纹试验
D、插销试验
参考答案:D
He had been________absorbed in watching the car passing by that he didn't notice his friends coming . [ ]
A. such
B. too
C. that
D. so