调节内皮细胞-黑色素瘤和骨肉瘤细胞间相互作用的粘附分子是()
A.选择素
B.整合素
C.VCAM-1
D.CD36
E.CD45
参考答案:C
Could the man repair the TV today
A.The first time they met.
B.Friendship.
C.Strangers to each other.
有哪些原因造成炉口爆炸?