在人类粪尿中,含量最多的无机盐是[ ]
A.含钾的无机盐
B.含氮的无机盐
C.含磷的无机盐
D.含钙的无机盐
答案:B
把固体碘密封在一根长约10cm的玻璃管中,用酒精灯微热装有固体碘的一端,可观察到的现象为_________________,这是因为_____________
______a terrible storm would take place in Hainan.
A.Word came which
B.Word came that
C.Word that came
D.Words came that