通常所说的血型是指()
A.红细胞膜上受体的类型
B.红细胞膜上特异性的凝集素类型
C.红细胞膜上特异性凝集原类型
D.血浆中凝集素的类型
E.血浆中凝集原的类型
参考答案:C
铸造骀支托的宽度约为前磨牙颊舌径的
A.1/4
B.1/2
C.2/3
D.1/3
E.3/4
— Hurry, Mike! The bus is coming.
— Wait a moment, please! Let me see if there's _____ left. [ ]
A. anything else
B. something important
C. nothing else
D. any other things