Ⅱ类爆炸性气体,按其引燃温度的高低分为()组。
A、四
B、五
C、六
D、七
参考答案:C
Country of origin means the country( ).
A.that sells the goods
B.where the cargos be shipped
C.that buys the goods
D.where the goods are produced
对癫痫大发作与癫痫小发作均有疗效的抗癫痫药物为()
A.苯妥英钠
B.苯巴比妥
C.扑痫酮
D.丙戊酸钠
E.卡马西平