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【单选题】
【 2019四川遂宁 】 “观音素麻花“是四川遂宁特产,因其“香酥、嘎嘣脆”深受八方游客喜爱!主要采用优质面粉和小磨香油(含油酸,化学式为C 18 H 34 O 2 )等制成。下列关于油酸的说法错误的是( )A.
油酸中含有氧分子
B.
油酸属于有机物
C.
1个油酸分子由18个碳原子、34个氢原子和2个氧原子构成
D.
油酸中碳元素的质量分数最大
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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
【单选题】I think you should have _____ before you go to work.
A.
sleep
B.
the sleep
C.
a good sleep
D.
some good sleep
【简答题】You should have to finish your work your own without relying on others’ support.A. on
【简答题】关于电子商务安全交易体系,说法正确的是A. PKI 是权威的交易协议规范 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. 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. 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
【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
【简答题】You should have i_______ at work, which means you should take actions positvely.
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