La3A4028在砂土的分类中，当粒径大于0.5mm的颗粒超过总量的50%，定名为（）。
A.砾砂；
B.粗砂；
C.中砂；
D.细砂。
参考答案：B
The first prize winner_______, John was so disappointed that he felt unwilling to know the rest results.[ ]
A. announcing
B. announced
C. was announced
D. had been announced
甲真菌病临床分型为 __________ 、 __________ 、 __________ 和全甲毁损型。
