能引起硅沉着病的粉尘是()
A.石棉尘
B.矽尘
C.铁矿尘
D.铝尘
E.水泥尘
参考答案:B
列式计算
(1)72的12倍是多少?
(2)一个数的35倍是490,这个数是多少?
(3)两个因数的积是957,一个因数是,87,另一个因数是多少?
Liu Xiang won the gold medal of men's 110m hurdles at the 16th Asian Games, _______ the title of the
event with 13.09 seconds.[ ]
A.claimed
B.claiming
C.has claimed
D.to claim