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【多选题】
以下非实验性研究优点正确的是A.
在完全自然状态下进行研究，简便、易行
B.
可以同时收集较多的信息
C.
用来描述、比较各变量现状，为实验性研究打下基础
D.
需要人为施加干预
E.
可以解释因果关系
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反馈参考答案：
举一反三
【单选题】What happened last month?
A.
Melissa transferred from the Taiwan office to the Seattle office.
B.
A coworker of Nicholas Price left the company.
C.
The company won a big contract.
D.
The employees celebrated Melissa's promotion.
【简答题】沪科版九年级下册数学同步练习基础练习24.4（四）答案
【简答题】人教版四年级下册数学配套练习册第四单元综合练习答案
【单选题】By what can computer information be transferred in a computer
A.
I/O
B.
ROM
C.
SCM
D.
RAM
【简答题】苏教版三年级下册语文练习与测试《单元练习四》答案
【简答题】沪科版九年级上册数学同步练习基础练习22.1(四)答案
【简答题】What is supposed to be transferred over the International Shore Connection?
【单选题】What is the value of the units transferred to process 2?
A.
$7,200
B.
$13,200
C.
$14,840
D.
$15,400
【单选题】What surprised the School Board?
A.
The budget officers transferred school reserves.
B.
There was a $ 28 million revenue shortfall.
C.
There would be lean years for the school.
D.
The school funds were low.
【简答题】苏教版四年级下册语文练习与测试期末练习与测试（A）
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