New and more up-to-date methods have to______(find)for collecting earthquake data and analyzing it.
New and more up-to-date methods have to______(find)for collecting earthquake data and analyzing it.
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Previous studies show that parents tend to be aware of sleep problems in older children and adolescents and that pediatric practitioners are ( ) likely to identify sleep problems in these age group.：A、less…lessB、less…moreC、more…lessD、more…more
阅读以下说明和C++程序，将应填入(n)处的字句写在对应栏内。【说明】字符串在程序设计中扮演着重要角色。现需要设计字符串基类string，包含设置字 符串、返回字符串长度及内容等功能。另有一个具有编辑功能的串类edlt_string，派生于string，在其中设置一个光标，使其能支持在光标处的插入、删除操作。【程序】include ＜iostream.h＞include ＜stdio.h＞include ＜string.h＞class string{int length;char *data;public:int get_length() {return length;}char *get_data() {return data;}~string() {delete data;}int set data(int in_length, char *in_data);int set_data(char *data);void print() {cout＜＜data＜＜endl;}};class edit_string: public string{int cursor;public:int get_cursor() {return cursor;}void move_cursor(int dis) {cursor=dis;}int add_data(string *new_data);void delete_data(int num);};int string::set_data(int in_length,char *in_data){length=in_length;if(!data)delete data;(1)strcpy(data,in_data);return length;}int string::set data(char *in_data){(2)if(!data)delete data;(1)strcpy(data,in_data);return length;}int edit_string::add_data(string *new_data){int n,k,m;char *cp,*pt;n=new_data-＞get_length();pt=new_data-＞get_data();cp=this-＞get_data();m=this-＞get_length();char *news=new char[n+m+1];for(int i=0; i＜cursor; i++)news[i]=cp[i];k=i;for(int j=0; j＜n; i++,j++)news[i]=pt[j];cursor=i;for(j=k; j＜m; j++,i++)(3)news[i]='\0';(4)delete news;return cursor;}void edit string::delete_data( int num){int m;char *cp;cp=this-＞get_data();m=this-＞get_length();for(int i=cursor; i＜m; i++)(5)cp[i]='\0';}
What a waste! Why do you () the water () all the time ? A、have…flowingB、have…flowC、have…to flowD、have…flowed
12、利用命令find查找当前目录下的以“.c”结尾的文件，并逐页显示的命令是（）。A．find . -name “？.c” | moreB．find . -name “#.c” | moreC．find . -name “!*.c” | moreD．find . -name “*.c” | more
8、data=rand（1000,2);x=data（:,1);y=data（:,2);II=find（y＜sqrt（x)y＞x.^2);的功能是A．统计2000个随机点中落入特殊区域的点的索引值B．统计1000个随机点落入特殊区域的点的索引值C．模拟2000个随机点落入特殊区域的过程D．模拟1000个随机点落入特殊区域的过程
利用命令find查找当前目录下的以“.c”结尾的文件，并逐页显示的命令是（）。A．find . -name “？.c” | moreB．find . -name “#.c” | moreC．find . -name “!*.c” | moreD．find . -name “*.c” | more