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【多选题】
矢量数据压缩的基本原则包括( )。A.
取得尽可能大的压缩比
B.
最好地逼近原集合
C.
保持空间关系正确
D.
保持密度对比
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反馈参考答案：
举一反三
【单选题】给定某java程序的main方法,如下; public static void main(String [ ]args) { int i = 0; System.out.println(i++) ; } 程序运行结果为( )
A.
0
B.
1
C.
编译错误
D.
运行时出现异常
【单选题】药品零售企业仓库应当有的设施设备不包括( )
A.
避光、通风、防潮、防虫、防鼠的设备
B.
药瓶拆零销售所需的调配工具、包装用品
C.
有效监测和调控温度的设备
D.
中药饮片专用库房
【简答题】Good afternoon, principal, teachers and all students. It is my 1 (honorable) to be here to give a talk to all of you. I have studied in this school for five years. In these five years, I learned ...
【单选题】The students found it easy to_______ what the experienced teacher had taught.
A.
take in
B.
take off
C.
take on
D.
take back
【单选题】When the teacher came into the classroom, the students stopped _____. [ ]
A.
talking
B.
talk
C.
to talk
D.
talked
【单选题】When the teacher walked into the classroom, the students ____ at once.
A.
stopped to talk
B.
stopped talking
C.
stop to talk
D.
stop to talking
【单选题】When the teacher came in, the students _____ about the new film. [ ]
A.
are talking
B.
were talking
C.
talked
D.
talks
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