最易发生突变的抑癌基因是()
A.P53
B.Rb
C.NFl
D.HEMl
E.FHIT
参考答案:A
不等式(1-x)(3+x)>0的解集是[ ]
A. (-3,1)
B (-∞,-3)∪(1,+∞)
C. (-1,3)
D. (-∞,-1)∪(3,+∞)
People, with the young ________, love to surf the Internet for entertainment.
A.in general
B.in detail
C.in particular
D.in brief