由①得,x>-1,
由②得,x≤2,
∴原不等式组的解集是-1<x≤2.
—Jenny, I hate to say it, but you really must go!
—________.
A.All right, if you insist
B.Not likely
C.Mind your own business
D.You must be kidding
冷凝集素在以下哪一温度时与红细胞结合最好()
A.4℃
B.22℃
C.32℃
D.37℃
E.42℃