对于无机化合物,当Δ=(r1-r2)/r1<15%,晶体结构类型相同、电价不等,则生成()。
A.化合物
B.连续型固溶体
C.有限型固溶体
D.不生成固溶体
参考答案:C
—How is your journey?
—________. [ ]
A. Fine,thank you
B. I like it
C. It's great
D. I had a good time
第一产程活跃期的最大加速期,是指宫口扩张()
A.2~7cm
B.3~8cm
C.4~9cm
D.5~10cm
E.3~6cm