装配推力球轴承时,应首先区分出()紧环的内孔直径比松环的略小,装配后的紧环与轴在工作

题型:多项选择题

问题:

装配推力球轴承时,应首先区分出()紧环的内孔直径比松环的略小,装配后的紧环与轴在工作时是保持相对静止的,所以它总是靠在轴的台阶孔端面处,否则轴承将失去滚动作用而加速磨损。

A、紧环

B、松环

C、薄环

D、厚环

考点:钳工技师钳工技师题库
题型:多项选择题
Want to find a job? Now read the following advertisement.
FAIRMONT HOTELK
Five Waiters and Ten Waitresses
-Aged under 22
-At least high school graduate
-Good-looking; men at least
1.72 meters tall and women at least
1.65 meters
-Those knowing foreign languages favoured
-Paid 1, 600-2,200 dollars per month
One Secertary
-Aged under 30
-Female favoured
-Good at writing and skilled at computer
If interested, call 465-4768 or write to:
Mr. Jack Hundris
Room 0825, Fairmont Hotel
567 wood Street, San Markers, 78003
Fax:6954828
WILSON BOOKSTORE
Accountant(会计)
-Aged between 25 and 40
-With an experience of at least two years
With a degree and an accountant certificate(证书)
-Paid 3, 000-4,000 dollars monthly
-With a practical knowledge of computer
Salesclerk
-Basic education of 12 years or more
-Good at computer
-Paid 1, 800-2,2000 dollars monthly
Tel:447-4398
Fax:3485269
小题1:If you don’t know how to use a computer, you can just apply for the position as         .
A.a secretaryB.a waiter or a waitress
C.an accountantD.a salesclerk
小题2:If you want to get the position of accountant in Wilson Bookstore, you have to satisfy the following conditions EXCEPT        .
A.being a womanB.knowing well how to use a computer
C.having been an accountantD.having n accountant certificate
小题3:If you want to try for a job in Fairmont Hotel, you           .
A.have to be a woman and know foreign languages
B.should be a university graduate
C.have to be taller than 1.72 meters
D.should be younger than 30 years old
小题4:From the ads we can conclude that           .
A.you’ll be better paid in Wilson Bookstore than in Fairmont Hotel
B.all the jobs offered require experience
C.the better education you’ve received, the more money you’ll make
D.if you want to be an accountant, you may call 465-4768
题型:多项选择题

如果某事务成功完成执行,则该事务称为 【12】 事务。

题型:多项选择题

有以下程序:
#include<stdio.h>
#include<string.h>
typedef structchar name[9];char sex;float score[2];STU;
STU f(STU a)
STU b="Zhao",'m',85.0,90.0;int i;
strcpy(a.name,b.name);
a.sex=b.sex;
for(i=0;i,2;i++)a.score[i]=b.score[i];
return a;

main()
STU c="Qian",'f',95.0,92.0,d;
d=f(c);printf("%s,%c,%2.0f%2.0f\n",d.name,d.sex,d.score[0],d.score[1]);

程序的运行结果是______。

A) Qian,f,95,92
B) Qian,85,90
C) Zhao,m,85,90
D) Zhao,f,95,92

题型:多项选择题

造成100人以上重伤,或者1亿元以上直接经济损失的事故属于()事故。

A、特别重大

B、较大

C、一般

D、重大

题型:多项选择题

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