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【多选题】
识别创业机会的影响因素有哪些?A.
先前经验
B.
认知因素
C.
社会资本
D.
社会关系网络
E.
创造性
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反馈参考答案：
举一反三
【简答题】List the names for the instructors as the format of names followed by the string " teacher' based on the SQL statement for the SQL server software; select name from instructor; note that: all the lett...
【简答题】我们知道,十进制小数0.5表示成二进制是0.1,十进制小数0.25表示成二进制是0.01,十进制小数0.75表示成二进制是0.11,那么十进制数小数0.387表示成二进制的结果是(精确到小数点后8位数字)____________
【多选题】Which of the following ideas are mentioned in the passage as elements of the theory of plate tectonics? Click on 2 answers.
A.
Boundaries where two pieces of the Earth's outer shell diverge.
B.
Zones where one tectonic plate moves under another.
C.
The expansion of oceans and other bodies of water.
D.
The existence of a land bridge that connected continents.
【简答题】Find the department names of all instructors, and remove duplicates
【简答题】List the average salary of all instructors from the instructor relation, then rename the new column of the average salary to avg_salary.
【简答题】The schemas of the instructor and teachs are as follows. Find the names of all instructors who have taught some course and the corresponding course_id.
【简答题】呼吸作用在植物生产上的应用有哪些方面?
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