细胞增殖周期的顺序依次是()
A.G1→M→G2→S
B.G1→S→G2→M
C.M→G1→G2→S
D.S→G1→M→G2
E.G1→G2→M→S
参考答案:B
Give the logical variables X=Y=1, The value of X V Y(logical addition) is
A.1
B.2
C.10
D.0
()
A B C D
A.A
B.B
C.C
D.D