对于没有布边的一块样品，用手拉时，容易产生伸长的为经向，纬向一般不易伸长。
参考答案：错
19. It was in the hotel ________ the famous singer lived _______ she was killed.
A．which; that
B．that; where
C．where; which
D．where; that
VOR方位与什么无关：（）.
A.飞机位置
B.VOR台位置
C.飞机航向
D.无线电径向线
