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【单选题】
车床侧面的润滑示意图版上2表示( )。A.
每两天润滑一次
B.
每两班润滑一次
C.
使用2号钙基润滑脂
D.
A和C
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【单选题】听力原文：M: Being an efficient secretary, you should have to finish your work punctually at the office, not to do it now at home. W: I know that. But I have been very busy and I couldn't finish it when th...
A.
Classmates.
B.
Boss and secretary.
C.
Husband and wife.
D.
Teacher and student.
【单选题】关于二维数组的声明及初始化,下列错误的是( )
A.
int[][] a = new int[2][3];
B.
int[][] a = new int[2][];
C.
int[][] a=new int[][]{{1,2,4},{4,5},{6,7,8,9}};
D.
int[][] a = new int[][2];
【单选题】You should have a health（）if you work in a restaurant.
A.
diploma
B.
certificate
C.
license
D.
passport
【多选题】关于电子商务安全交易体系,说法正确的是
A.
(A) PKI是权威的交易协议规范
B.
(B) SET采用TCP作为传输协议解决互联网上信息传输的安全性问题
C.
(C) SET是一种应用于互联网并以信用卡为基础的电子交付系统协议
D.
(D) 客户端浏览器可进行SSL设置，浏览器利用HTTP和WEB服务器会话
【简答题】You should have to finish your work your own without relying on others’ support.A. on
【单选题】听力原文：M: Being an efficient secretary, you should have to finish your work punctually at the office, not do it now at home. W: I know that, my dear. But I have been very busy and I couldn't finish it w...
A.
Classmates.
B.
Boss and secretary.
C.
Husband and wife.
D.
Teacher and student.
【单选题】If you want to work for our country in the future,_____ you should have strong body and rich knowledge. [ ]
A.
at first
B.
first of all
C.
for the first time
D.
after all
【判断题】对于大多数工程机械,其执行动作往往较多。这就要求这些执行动作必须在时间上、在次序上应相互协调、相互配合,不能出现干涉,以保证该机械能完成预定的功能和生产过程。这方面的设计工作称为执行动作间的协调设计。
A.
正确
B.
错误
【简答题】You should have i_______ at work, which means you should take actions positvely.
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