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【多选题】
给出下面的代码片断。。。下面的哪些陈述为true(真)? 1) public void create(){ 2) Vector myVect; 3) myVect = new Vector(); 4) }A.
第二行的声明不会为变量myVect分配内存空间。
B.
第二行的声明分配一个到Vector对象的引用的内存空间。
C.
第二行语句创建一个Vector类对象。
D.
第三行语句创建一个Vector类对象。
E.
第三行语句为一个Vector类对象分配内存空间。
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【多选题】Regarding median, which of the followings are correct?
A.
If x is the median of a dataset, then 50% of the dataset are >= x, and 50% of the dataset are <= x.
B.
Median can be computed for both ordinal data and numeric data.
C.
Compared with mean, median is less affected by extreme values in the dataset.
D.
Compared with mean, median can be accurately computed in less time.
【简答题】We are learning English, but how can we learn English well? A student can know a lot about English, but maybe he can not speak English. If you want to know how to swim, you must get into the river. An...
【简答题】How can we know men are not in a cr besides their doctorates?
【单选题】---How can we make people know the latest film named Up in The Air ? ---We can ___________ some posters.
A.
put off
B.
put on
C.
put up
D.
put away
【单选题】我国《水法》规定,国家对水资源实行的管理体制是()。
A.
以流域管理为主、行政区域管理为辅
B.
在国家确定的重要江河、湖泊设立流域管理机构
C.
以行政区域管理为主、流域管理为辅
D.
流域管理与行政区域管理相结合
【简答题】What is median
【单选题】Do you know _____ “hello” in French?
A.
what to say
B.
what can we say
C.
how to say
D.
how can we say
【单选题】我国《水法》规定，国家对水资源实行的管理体制是（）
A.
流域管理与区域管理相结合
B.
以流域管理为主、行政区域管理为辅
C.
以行政区域管理为主、流域管理为辅
D.
国家确定的重要田可、湖泊设流域管理机构
【简答题】We are learning English, but how can we learn English well? A student can know a lot about English, but maybe （可能）he can not speak English. If you want to know how to swim, you must get into the river...
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