以下哪一种Rh抗原是不存在的()。
A.e抗原
B.D抗原
C.E抗原
D.d抗原
E.C抗原
参考答案:D
下列实验方案能达到目的的是
A.A
B.B
C.C
D.D
I think this pair of shoes goes well with your suit. They look great ____ you.[ ]
A. with
B. on
C. in
D. at