执行下面操作后,y的值是()。g=map(int, range(10))x = 5 in gy = 1 in g
A. False
B. True
C. 无法确定
D. 1
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以下程序的输出结果是()。
A. 95
B. 86
C. 0
D. 33
已知x = [1, 2, 3, 4, 5, 6, 7],那么x.pop()的结果是()。
A. 1
B. 4
C. 7
D. 5
sum([i*i for i in range(3)])的计算结果是( )。
A. 3
B. 5
C. 2
D. 14
A reaction mixture for PCR consists of ____________
A.heat unstable polymerase
B.primers in a limited amount
C.deoxynucleoside triphosphate (dNTPs)
D.a region complementary to the sequence to be amplified