题目

科学研究需要进行实验,得到事实,并在此基础上进行必要的推理.因此,在学习科学过程中我们需要区分事实与推论.则关于表述:①在气体扩散实验中,抽去玻璃板后,红棕色的NO2气体进入到空气中;②在液体扩散实验中,红墨水滴人热水,热水很快变红;③扩散现象表明,一切物质的分子都在不停地做无规则运动;④温度越高,分子的无规则运动越剧烈,正确的是 ( )A. ①②是事实,③④是推论 B. ①②④是事实,③是推论C. ①是事实,②③④是Time magazine released its annual list of the 100 "Most Influential People in the World" on Wednesday. Jeremy Lin 1. (include).“Jeremy Lin, New York Knicks starting point guard, is 2. individual that many children can aspire to be alike,” said U.S. Secretary of Education Arne Duncan, “kids can learn a great lesson 3. the injured Knicks point guard who graduated from Harvard University.”“Jeremy Lin’s story is a great lesson for kids everywhere because 4. fights back so many of the prejudices and wrong ideas that unfairly hold children back. He’s changed the idea 5. Asian-American guards somehow can’t succeed in the NBA --- and that being a world-class athlete on the court is somehow contradictory with being an excellent student off the court.” Duncan said.“It’s great to see good values 6. (reward) in professional sports because that’s not always the case.” Duncan said in the Time report. “Often it’s the bling, the glam, the individual that gets celebrated --- not the team and working together to advance a goal 7. (big) than oneself.”Lin’s teammates seemed to take pride 8. the up-and-coming basketball star, 9. Lin remained modest about the 10. (recognize) by tweeting, “Now my face is red.”
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