已知creature=("cat","dog","tiger","human"),则表达式“creature.index("human")”的值是()。
A: 1
B: 2
C: 3
D: 4
A: 1
B: 2
C: 3
D: 4
举一反三
- 已知creature=("cat","dog","tiger","human"),则表达式“len(creature)”的值是()。 A: 1 B: 2 C: 3 D: 4
- 已知creature=("cat","dog","tiger","human"),则表达式“"dog"increature”的值是()。 A: False B: True C: false D: true
- 元组变量t= ("cat","dog ","tiger","human"),t[::-1]的结果是:( )
- [A] person [C] creature[B] human [D] adult A: person B: human C: creature D: adult
- The human brain makes up about ____ percent of a human’s body weight.( ) A: 3% B: 4% C: 1% D: 2%