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【单选题】
对于一般运转的滚动轴承,其主要失效形式是 _______ ,设计时要进行轴承的寿命计算。A.
滚动体与滚道的工作 表面出现疲劳点蚀
B.
滚道磨损
C.
沿轴向可作相对滑动并具有导向作用
D.
滚动体碎裂
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【单选题】— What _______ if you _______ on the Titanic? — What a question! [ ]
A.
would you do; were
B.
did you do; were
C.
had you done; would have been
D.
would you have done; had been
【单选题】What impact would it bring if the current situationis not controlled?
A.
There would be a big explosion.
B.
There would be climate change.
C.
There would be an ecological damage.
D.
There would be natural disaster.
【简答题】本程序的功能:查找所有满足下面条件的两个整数对:1、两个整数都是3位数;2、组成两个整数各位的数字各不相同并且不出现数字0;3、第二个数等于第一个数的两倍。 例如,134和268就是满足该条件的一个整数对。 #include int main() { int a,b,c,j,k,w,e[6],sum; for(a=1; a999) 1 、 ; e[3]=sum/100; e[4]=(sum-e...
【单选题】在窗体上画一个名称为Command1的命令按钮,然后编写如下程序: Option Base 1 Private Sub Command1_Click() Dim a As Variant a = Array(1, 2, 3, 4, 5) Sum = 0 For i = 1 To 5 Sum = Sum + a(i) Next i x = Sum / 5 For i = 1 To 5 If a(i)...
A.
1 2 3
B.
3 4 5
C.
4 5
D.
1 2
【单选题】在窗体上画一个名称为 Command1 的命令按钮,然后编写如下程序: Option Base 1 Private Sub Command1_Click() Dim a As Variant a = Array(1, 2, 3, 4, 5) Sum = 0 For i = 1 To 5 Sum = Sum + a(i) Next i x = Sum / 5 For i = 1 To 5 If a(...
A.
1
B.
123
C.
345
D.
45
【单选题】What would happen if the reader were dissatisfied with the newspaper?
A.
The newspaper would send a complimentary issue.
B.
The subscription would be extended.
C.
The reader would be contacted.
D.
The subscription price would be refunded.
【简答题】What kind of life she would lead? She would lead ______ life.
【简答题】What would you like to start with? What does
this mean?A. Who
is going to choose first? B. What dish you would like at the beginning of your meal?
【单选题】A:( ), David? B:An orange juice.
A.
What do you like
B.
What would you like
C.
Would you like an orange juice
【单选题】What is sum after the following loop terminates? sum = 0 item = 0 while item 4: break print(sum)
A.
8
B.
7
C.
6
D.
5
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