【单选题】To make sure they stock clothes that their customers will purchase, a department store implements a new application that analyzes spending levels at their stores and cross-references this data to popu...
C.
Operational excellence
D.
Improved decision making
E.
New products and services
【单选题】列出各门课的平均成绩、最高成绩、最低成绩和选课人数。正确的 SQL 语句是 _____ 。
A.
SELECT 课号,AVG(成绩),MAX(成绩),MIN(成绩),COUNT(学号) FROM 选课 GROUP BY 课号;
B.
SELECT 课号,AVG(成绩),MAX(成绩),MIN(成绩),COUNT(学号) FROM 选课 ORDER BY 课号;
C.
SELECT 课号,AVG(成绩),MAX(成绩),MIN(成绩),COUNT(学号) FROM 选课 WHERE 课号;
D.
SELECT 课号,AVG(成绩),MAX(成绩),MIN(成绩),COUNT(学号) FROM 选课 HAVING 课号;
【单选题】She avoided making any references _________ her divorce on any public occasion.
【简答题】用1,2,3,4,5这五个数字组成无重复数字四位偶数,共有 ▲ 个.
【单选题】Writing your own ideas on a topic then making up the names of references to put next to them is:
【单选题】To make sure they stock clothes that their customers will purchase, a department store implements a new application that analyzes spending levels at their stores and cross-references this data to popu...
C.
Operational excellence
D.
Improved decision making
E.
New products and services
【多选题】Choose the correct answers according to what you've learned. To write a good executive summary, you need to generalize key points of the original document by____.
A.
keeping the original illustrations, examples, and references
B.
writing general or broad statements
C.
using descriptive or functional headings
D.
making comments on the source document
【单选题】Making some notes from ideas in a source and using them in your text but forgetting to put the references is: