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【单选题】
按实验控制程度,教育实验可以分为()A.
前实验、准实验和真实验
B.
确认性实验和探索性实验
C.
因素型实验和函数型实验
D.
因素型实验和等组实验
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反馈参考答案：
举一反三
【简答题】Part B Below is a chart showing the distribution of traffic accidents in China from January to June in 1985. Look at the chart and write an essay of about 120 words reference to the following p...
【单选题】1511型电容式差压变送器的阻尼调整电位器用来抑制由被测压力的高频变化而引起的输出快速波动,其时间常数在_________之间。
A.
0.2s 和 1.67s
B.
0.2s 和1. 6s
C.
1.2s 和 1.7s
D.
12 s 和 16. 7 s
【简答题】The sentence “Traffic accidents declare millions of lives” means “________.” [A] Traffic accidents make some people become millionaires [B] Many people die from traffic accidents [C] Millions of peopl...
【简答题】完形填空。 Every year many people get hurt or die in traffic accidents. People make traffic 1 for some reasons, so we must obey them. Different countries have different traffic rules. In China, all the car...
【简答题】Victims of traffic accidents form almost a quarter of the hospital's patients. (make up)
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