用一个吊点,采用竖吊法吊运长形物体时,吊点位置在距吊端()处。
A、0.15L
B、0.3L
C、0.45L
D、0.6L
参考答案:B
— Have you seen _______ new bike? I put it here just now.
— Is it _______ white one? A boy has ridden it away.
A. a; a
B. a; the
C. the; the
D. the; a
我国道路石油沥青的标号是按针入度划分的,90号沥青的针入度要求范围为( )(0.1mm)。
A.80~100
B.70~110
C.60~120
D.100~120