请给出计算2^3-1的Python表达式可为()。
A. 2**3-1
B. 2***3-1
C. 2*2*2-1
D. 2*3-1
查看答案
Python支持四种不同的数字类型()。
A. int(有符号整型)
B. long(长整型,也可以代表八进制和十六进制)
C. float(浮点型)
D. complex(复数)
________ of them has his own opinion.
A. Both
B. Some
C. Every
D. Each
--What _____ useful book! --Yes. I found _____ difficult for me to read.
A. an;it
B. a;it’s
C. an;it was
D. a;it
---Who’s that girl over there? ---Julia,she is a student of ____.
A. my fathers’
B. my father
C. my fathers
D. my father’s