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【单选题】
用盐酸分解试样的特点是: 大多数盐易溶于水 , 过量的HCl不易挥 A B 发除去 , Cl-对某些金属有成络作用 。 CA.
B.
C.
D.
D
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【单选题】What is the dual system of Germany vocational educational?
A.
It combines apprenticeship in a company and vocational training in a school.
B.
It generally takes place in a secondary public school.
C.
It takes place over the same period of time on different days of the week or in blocks of several weeks.
D.
It does not charge tuition fees.
【单选题】By mentioning the problems of Chinese vocational education, the author tends to ______.
A.
emphasize that China's vocational training is too abstract
B.
inform. that the image of vocational work is negative
C.
warn that the rural immigrant workers lack vocational training
D.
suggest that the government investment on it is not enough
【简答题】[ A] technical [ B ] vocational [ C] honorable [ D] professional
【简答题】职业兴趣测验(Vocational Interest Tests) 名词解释
【简答题】[A] This 1000-wat electric kettle rapidly boils up to 1 quart of water for coffee, tea and more. It provides a rapid and quiet heating process, it ideal for the office, home or students’ ...
【单选题】下面是正确的Frame类的构造方法的是()
A.
Frame()
B.
Frame(String)
C.
Frame(String,int,int)
D.
Frame(String,int,int,Color)
【简答题】第六章课文概括
【单选题】在PIC单片机系统配置和程序设计中,采用很有特色的哈佛总线结构,其根本意义就 ( )
A.
减少CPU的功耗
B.
数据存储器和程序存储器总线分离
C.
提高端口的驱动能力
D.
可以方便进行在线调试
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