【单选题】According to the professor, what is the disadvantage of sitting on the lawn?
A.
The lawn is not clean.
B.
The lawn is usually very crowded.
C.
The setting isn't very pretty.
D.
The audience might get wet.
【单选题】下面关于 JSON说法错误的是?( )
C.
json数据用{}表示java中的对象,[]表示Java中的List对象
D.
{ “ 1 ” : “ 123 ” , “ 2 ” : “ 456 ” }不是json数据
【单选题】The market for lawn services is perfectly competitive. Larry's Lawn Service cannot increase its total revenue by raising its price because ________.
A.
Larry's supply of lawn services is perfectly inelastic
B.
the demand for Larry's services is perfectly inelastic
C.
Larry's supply of lawn services is inelastic
D.
the demand for Larry's services is perfectly elastic
【判断题】核糖体的 E位点是tRNA离开原核生物核糖体的位点
【判断题】核糖体的E位点是tRNA离开原核生物核糖体的位点
【单选题】下面代码实现的功能描述为deffact(n):ifn==0:return1else:returnn*fact(n-1)num=eval(input("请输入一个整数:"))print(fact(abs(int(num))))
A.
接受用户输入的整数N,判断N是否是素数并输出结论
D.
接受用户输入的整数N,判断N是否是完数并输出结论
【单选题】According to the speaker, what is the disadvantage of sitting on the lawn?
A.
The lawn is not clean.
B.
The lawn is usually very crowded.
C.
The setting isn't very pretty.
D.
The audience might get wet.
【单选题】下面代码实现的功能描述为:
B.
接受用户输入的整数N,判断N是否是完数并输出结论
C.
接受用户输入的整数N,判断N是否是素数并输出结论
【单选题】下面关于JSON说法错误的是( )
C.
json数据用{ }表示java中的对象,[ ]表示Java中的List对
D.
{“1”:”123”, ”2”:”234”, ”3”:”345”} 不是json数据