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【单选题】
以下程序有语法错误，有关错误原因的正确说法是#include voidprt_char();intmain(){intG=5,k;......k=prt_char(G);......return0;}intprt_char(intx){......}
A.
函数原型和函数定义不匹配
B.
变量名不能使用大写字母
C.
函数名不能使用下划线
D.
函数prt_char(int x)定义的位置不对，不能放在主函数main()的后面。
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举一反三
【单选题】Which of the following is not a data protecting method?
A.
Locking up terminals.
B.
Replacing data in other storage facilities.
C.
Supplying a password before data access.
D.
Ranking data frequently in computer files.
查看完整题目与答案
【单选题】Which of the following describes Secondary data?
A.
data that does not provide any information
B.
data collected for another purpose
C.
data collected specifically for the purpose of the survey being undertaken
D.
data collected by post or telephone, not by personal interview
查看完整题目与答案
【多选题】Which of the following statements about big data are right?
A.
Big data is becoming more common due to the proliferation of digital storage, the greater ease of acquisition of data & the higher degree of interconnection between our devices (i.e. the internet).
B.
Big data is large & heterogeneous forms of data that have been collected without strict experimental design. Big data has one or more of the following characteristics: high volume, high velocity or high variety.
C.
Big data is a phrase used to mean a massive volume of both structured & unstructured data that is so large it is difficult to process using traditional database & software techniques.
D.
AI, mobile, social & the Internet of Things (IoT) are driving data complexity through new forms & sources of data.
查看完整题目与答案
【单选题】Which of the following is true of experimental data?
A.
Experimental data are collected in laboratory environments in the natural sciences.
B.
Experimental data cannot be collected in a controlled environment.
C.
Experimental data is sometimes called observational data.
D.
Experimental data is sometimes called retrospective data.
查看完整题目与答案
【单选题】下列毒素中毒性最强的是(    )
A.
肉毒毒素    
B.
副溶血性弧菌产生的溶血素
C.
沙门菌产生的内毒素    
D.
金黄色葡萄球菌产生的肠毒素
E.
蜡样芽胞杆菌产生的肠毒素
查看完整题目与答案
【单选题】皮亚杰用来说明儿童认知发展的重要概念是( )。
A.
图式、运算、同化、顺应
B.
图式、成熟、同化、平衡
C.
图式、同化、运算、成熟
D.
图式、同化、顺应、平衡
查看完整题目与答案
【单选题】下列毒性最强的毒素是
A.
破伤风痉挛毒素
B.
金黄色葡萄球菌肠毒素
C.
白喉毒素
D.
志贺毒素
E.
肉毒毒素
查看完整题目与答案
【多选题】Which of the following statements about quantitative data and qualitative data is/are true?
A.
Usually, quantitative data are produced by unstructured and semi-structured methods.
B.
Usually, qualitative data are produced by structured methods.
C.
Quantitative data are numerical or can be made numerical.
D.
Qualitative data are in the form of words, texts, or images.
E.
Qualitative data are not quantifiable.
查看完整题目与答案
【单选题】下列毒素中目前所知毒性最强的生物毒素是
A.
破伤风痉挛毒素
B.
肉毒毒素
C.
卵磷脂酶
D.
炭疽毒素
E.
鼠疫毒素
查看完整题目与答案
【多选题】Experienced researchers often combine secondary data with primary data in the following situations:
A.
The research requires data for a regional or international comparison.
B.
The research requires data for a temporal/historical comparison.
C.
The research primarily relies on secondary data, but part of the data is missing or outdated.
D.
The research primarily relies on secondary data, but you would like to make an additional argument, which requires the support of primary data.
E.
The research primarily relies on primary data, but you may cite secondary data as the background of your research.
查看完整题目与答案
相关题目：
【单选题】Which of the following is not a data protecting method?
A.
Locking up terminals.
B.
Replacing data in other storage facilities.
C.
Supplying a password before data access.
D.
Ranking data frequently in computer files.
查看完整题目与答案
【单选题】Which of the following describes Secondary data?
A.
data that does not provide any information
B.
data collected for another purpose
C.
data collected specifically for the purpose of the survey being undertaken
D.
data collected by post or telephone, not by personal interview
查看完整题目与答案
【多选题】Which of the following statements about big data are right?
A.
Big data is becoming more common due to the proliferation of digital storage, the greater ease of acquisition of data & the higher degree of interconnection between our devices (i.e. the internet).
B.
Big data is large & heterogeneous forms of data that have been collected without strict experimental design. Big data has one or more of the following characteristics: high volume, high velocity or high variety.
C.
Big data is a phrase used to mean a massive volume of both structured & unstructured data that is so large it is difficult to process using traditional database & software techniques.
D.
AI, mobile, social & the Internet of Things (IoT) are driving data complexity through new forms & sources of data.
查看完整题目与答案
【单选题】Which of the following is true of experimental data?
A.
Experimental data are collected in laboratory environments in the natural sciences.
B.
Experimental data cannot be collected in a controlled environment.
C.
Experimental data is sometimes called observational data.
D.
Experimental data is sometimes called retrospective data.
查看完整题目与答案
【单选题】下列毒素中毒性最强的是(    )
A.
肉毒毒素    
B.
副溶血性弧菌产生的溶血素
C.
沙门菌产生的内毒素    
D.
金黄色葡萄球菌产生的肠毒素
E.
蜡样芽胞杆菌产生的肠毒素
查看完整题目与答案
【单选题】皮亚杰用来说明儿童认知发展的重要概念是( )。
A.
图式、运算、同化、顺应
B.
图式、成熟、同化、平衡
C.
图式、同化、运算、成熟
D.
图式、同化、顺应、平衡
查看完整题目与答案
【单选题】下列毒性最强的毒素是
A.
破伤风痉挛毒素
B.
金黄色葡萄球菌肠毒素
C.
白喉毒素
D.
志贺毒素
E.
肉毒毒素
查看完整题目与答案
【多选题】Which of the following statements about quantitative data and qualitative data is/are true?
A.
Usually, quantitative data are produced by unstructured and semi-structured methods.
B.
Usually, qualitative data are produced by structured methods.
C.
Quantitative data are numerical or can be made numerical.
D.
Qualitative data are in the form of words, texts, or images.
E.
Qualitative data are not quantifiable.
查看完整题目与答案
【单选题】下列毒素中目前所知毒性最强的生物毒素是
A.
破伤风痉挛毒素
B.
肉毒毒素
C.
卵磷脂酶
D.
炭疽毒素
E.
鼠疫毒素
查看完整题目与答案
【多选题】Experienced researchers often combine secondary data with primary data in the following situations:
A.
The research requires data for a regional or international comparison.
B.
The research requires data for a temporal/historical comparison.
C.
The research primarily relies on secondary data, but part of the data is missing or outdated.
D.
The research primarily relies on secondary data, but you would like to make an additional argument, which requires the support of primary data.
E.
The research primarily relies on primary data, but you may cite secondary data as the background of your research.
查看完整题目与答案