烧结矿的碱度是2.1,属于()烧结矿。
A.非自熔性
B.自熔性
C.高碱度
参考答案:C
It is well known that Madam Curie won two Nobel Prizes for her scientific ______.
A.adventures
B.inspiration
C.achievements
D.discoveries
测量面部高度的最下点是()
A.眶下孔
B.颏孔
C.切牙孔
D.颏下点
E.鼻底