B. has a bright future in classes
C. is more practical than 2D models
D. may not be affordable for schools
3. What can we learn from the last paragraph?
A. 3D technology will replace 2D models in the future.
B. Many pupils are now more interested in science than before.
C. Teachers will use 3D technology through specific training.
D. 3D will soon be put into use in one school district in Colorado.
4. The underlined word “engrossed” in the last paragraph means “________”.
A. absorbed
B. annoyed
C. relaxed
D. confused
答案:
【语篇解读】 研究表明,将3D技术引进课堂后,学生对学习的兴趣更高了,考试成绩也更好了。但3D技术昂贵,并不是每所学校都能承担得起的。
1. B 解析:段落大意题。前三段围绕一项研究展开,该研究表明将3D技术引进课堂后,学生对课堂内容理解得更深刻,注意力更集中,学生参与课堂的积极性更高,学习效果更好,考试分数更高,因此前三段的主题是B项。
2. D 解析:细节理解题。根据倒数第二段第一句中的“the technology would... could be costly”可知,应选D项。
3. D 解析:细节理解题。最后一段开头说美国科罗拉多州的一个学区已经准备在教室里安装1 000台3D投影仪,因此选D。
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