A.At
B.On
C.For
D.In
第1题:
2. Don't talk to Simon like that. He is only _______ eleven-year-old boy.
A.a
B.an
C.the
D./
第2题:
4. The meeting ______ begin ______ the last man came.
A. didn’t ;until
B. not; until
C. doesn’t; until
D. will; until
第3题:
控制器的传递函数,扰动通道的传递函数和广义控制通道的传递函数分别为()
A.GC(s)、Gf(s)、Go(s)
B.Go(s)、Gf(s)、GC(s)
C.GC(s)、Go(s)、Gf(s)
D.GC(s)、Gf(s)
第4题:
38. —________late for school next time.
—Sorry, I won’ t.
A. Don't be
B. Don't
C. Be
D. Do be
第5题:
现有如下代码, 请分两行写出其运行结果。 class People(object): def __init__(self): print("__init__") def __new__(cls, *args, **kwargs): print("__new__") return object.__new__(cls, *args, **kwargs) People() 知识点:类的定义和使用
第6题:
用vi打开一个文件,如何用字母”new”来代替文件中所有的字母”old”
A.:r/old/new
B.:s/old/new
C.:1,$s/old/new/g
D.:%s/old/new/g