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【单选题】
直角坐标平面内,集合M={(x,y)|xy≥0,x∈R,y∈R}的元素所对应的点是A.
第一象限内的点
B.
第三象限内的点
C.
第一或第三象限内的点
D.
非第二、四象限内的点
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反馈参考答案：
举一反三
【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...
A.
Customer intimacy
B.
Survival
C.
Operational excellence
D.
Improved decision making
E.
New products and services
【单选题】She avoided making any references _________ her divorce on any public occasion.
A.
of
B.
at
C.
to
D.
with
【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:
A.
Plagiarism
B.
Bad Practice
C.
Acceptable Practice
【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...
A.
Customer intimacy
B.
Survival
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:
A.
Plagiarism
B.
Bad Practice
C.
Acceptable Practice
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