日本农业的特点是[ ]
A.采用大型农业机械作业
B.发展规模较大的企业化种植园
C.精耕细作,以生产棉花为主
D.精耕细作,水稻单位面积产量高
答案:D
下列哪项不属于原发性脑损伤()
A.脑震荡
B.脑内血肿
C.脑干损伤
D.脑挫裂伤
E.弥漫性轴索损伤
No oil or mixture containing oil()into singapore waters from any vessel.
A.shall noe be discharged
B.shall be discharged
C.shall be filled
D.shall noe be filled