A. Stripper
B. Punch down tool
C. Butt set
D. Snips
第1题:
A. followed,followed
B. followed,following
C. following,followed
D. following,following
第2题:
6、对于下述命令,如何利用pipe符号进行改写: by_cut <- group_by(diamonds, cut) count_cuts <- mutate(by_cut, N = n())
A.count_cuts <- diamonds %>% group_by(cut) %>% mutate(N = n())
B.count_cuts <- diamonds %>% mutate(N = n()) %>% group_by(cut)
C.count_cuts <- diamonds %<% group_by(cut) %<% mutate(N = n())
D.count_cuts <- diamonds %<% mutate(N = n()) %<% group_by(cut)
第3题:
欲绘制一个共有6个复合单元的元件,当绘制第2单元时,应执行的命令是()
A.Tools | Add Component
B.Tools | New Component
C.Tools | Next Part
D.Tools | New Part
第4题:
第5题:
如果要使用jieba库的全模式进行分词操作,需要在命令中加入参数______。
A.cut=true
B.cut=True
C.cut_all=true
D.cut_all=True
第6题:
选择下列计算结果 cut3[x_]:= Which[x < -1,-1,x < 1,x,True,1] cut3/@{-2,-1,0,1,2}
A.{-1,-1,0,1,2}
B.{-1,-1,0,1,1}
C.{-2,-1,0,1,1}
D.{-2,-1,0,1,2}