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The number of students who failed the chemistry examination ( )to fifteen.A. have increasedB. has increasedC. is increasedD. are increasing

题目
The number of students who failed the chemistry examination ( )to fifteen.

A. have increased

B. has increased

C. is increased

D. are increasing


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更多“The number of students who failed the chemistry examination ( )to fifteen. ”相关问题
  • 第1题:

    如果Number=3.5,请指出下列表达式的真假。 If Number = 3.5, point out the truth or false of the following expressions. floor(Number * Number) == Number * Number


    错误

  • 第2题:

    如果Number=3,下列命题为真。 If Number = 3, judge the truth of the following propositions. (Number*Number)>=(2*Number)


    正确

  • 第3题:

    24、如果Number=7,下列命题为真。 If Number = 7, point out the truth or false of the following expressions. Sqrt(Number*Number ) == Int(Sqrt(Number*Number))


    错误

  • 第4题:

    用递归函数求解斐波那契序列,在划线处填上正确语句。 int fib(number){ if (__________ || number == 2) return 1; else: return fib(number - 1) + fib(number - 2);

    A.number == 1

    B.number == 0

    C.number == 3

    D.number != 1


    1、循环def fb1f(n):if nreturn 1f1b=1f2b=1i=3while(if3b=f1b+f2bf1b=f2bf2b=f3bi=i+1return f3b2、递归def fb2f(n):if nreturn 1else:return fb2f(n-1)+fb2f(n-2)3、数组def fb3f(n):x=[1,1]i=3while(ix.append(x[-1]+x[-2])i=i+1return x[-1]

  • 第5题:

    创建students对象,_______语句可以选出第二个同学的身高。 students数据如下: age height weight 1 19 170 68 2 20 165 65 3 18 175 65

    A.students[1,'height']

    B.students.loc[2,'height']

    C.students.iloc[1, 1]

    D.students['height'][3]


    students.loc[2,'height'];students.iloc[1, 1]

  • 第6题:

    创建students对象,_______语句可以选出第二个同学的身高。 students数据如下: age height weight 1 19 170 68 2 20 165 65 3 18 175 65

    A.students.loc[2,'height']

    B.students.iloc[1, 1]

    C.students[1,'height']

    D.students['height'][3]


    students.loc[2,'height'];students.iloc[1, 1]