The Timber rattlesnake is now on the endangered species list, and is extinct in two eastern states in which it once _______ .
A thrived B swelled C prospered D flourished
第1题:
About ________ of the workers in the factory were born in the ________.
A.two-thirds, 1970 B.two-thirds, 1970s C.two-third,1970 D.two-third, 1970s
第2题:
执行下面的操作后,list_two的值为 list_one = [4,5,6] list_two = list_one list_one[2] = 3
A.[4,5,6]
B.[4,3,6]
C.[4,5,3]
D.A,B,C都不正确
第3题:
对于以下代码描述有误的是? val data = Map(1 -> "One", 2 -> "Two") val res = for((k, v) <- data; if(k > 1)) yield v
A.运行后res的结果为List("Two")
B.运行后res的结果为List("One", "Two")
C.对映射data中的每一个(键,值)对,k被绑定对键,而v则被绑定到值
D.其中的if(k > 1)是一个守卫表达式
第4题:
12. About_______ of the workers in the factory were born in the __________.
A. two- thirds;1970
B. two- thirds ; 1970s
C. two-third ; 1970
D. two-third ; 1970s
第5题:
执行以下操作后,list_two的值是: list_one=[4,5,6] list_two=list_one list_one[2]=3
A.[4,5,6]
B.[4,3,6]
C.[4,5,3]
D.都不对
第6题:
【单选题】执行以下操作后,list_two的值是: list_one=[4,5,6] list_two=list_one list_one[2]=3
A.[4,5,6]
B.[4,3,6]
C.[4,5,3]
D.都不对