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The kids in this village wear dirty, ragged clothes. They sleep beside cows and sheep in huts made of sticks and mud. They have no school. Yet they all can chant the English alphabet, and some can make words. The key to their success: 20 tablet computers(平板电脑) dropped off in their Ethiopian village in February by a U.S. group called One Laptop Per Child. The goal is to find out whether kids using today’s new technology can teach themselves to read in places where no schools or teachers exist. The Massachusetts Institute of Technology researchers analyzing the project data say they’re already amazed. “What I think has already happened is that the kids have already learned more than they would have in one year of kindergarten,” said Matt Keller, who runs the Ethiopia program. The fastest learner—and the first to turn on one of the tablets—is 8-year-old Kelbesa Negusse. The device’s camera was disabled to save memory, yet within weeks Kelbesa had figured out its workings and made the camera work. He called himself a lion, a marker of accomplishment in Ethiopia. With his tablet, Kelbasa rearranged the letters HSROE into one of the many English animal names he knows. Then he spelled words on his own. “Seven months ago he didn’t know any English. That’s unbelievable,” said Keller. The project aims to get kids to a stage called “deep reading,” where they can read to learn. It won’t be in Amharic, Ethiopia’s first language, but in English, which is widely seen as the ticket to higher paying jobs. 小题1:How does the Ethiopia program benefit the kids in the village? A.It trains teachers for them. B.It contributes to their self-study. C.It helps raise their living standards. D.It provides funds for building schools. 小题2:What can we infer from Keller’s words in Paragraph 3? A.They need more time to analyze data. B.More children are needed for the research. C.He is confident about the future of the project. D.The research should be carried out in kindergartens. 小题3:It amazed Keller that with the tablet Kelbesa could _______. A.learn English words quickly. B.draw pictures of animals. C.write letters to researchers. D.make phone calls to his friends. 小题4:What is the aim of the project? A.To offer Ethiopians higher paying jobs. B.To make Amharic widely used in the world. C.To help Ethiopian kids read to learn in English. D.To assist Ethiopians in learning their first language.
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A.
动能增加
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静压能增加
C.
位能增加
D.
流量增大
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【多选题】屋面防水工程一般包括( )
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屋面卷材防水
B.
屋面涂膜防水
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屋面刚性防水
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屋面接缝密封防水
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外墙防水
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Invitations were sent to potential customers before the end of March.
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Ms. Hamilton included some coupons in her e-mail.
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Coupons can be used at both Underhill branch office and Granny's Grill.
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A.
减少由于罗经面的倾斜而产生的观测太阳罗方位的误差
B.
减少由于推算船位的误差而产生的太阳真方位的误差
C.
此时太阳方位变化较慢,则观测误差较小
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正确
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错误
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A.
减小由于罗经面的倾斜而产生的观测太阳罗方位的误差。
B.
减小由于推算船位的误差而产生的太阳真方位的误差。
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A.
若遗传因子位于染色体上,则遗传因子在细胞中成对存在
B.
若F 1 产生配子时成对遗传因子分离,则测交后代会出现两种性状且比例接近1:1
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若F 1 产生配子时成对遗传因子分离,则F 2 中三种基因型个体比例接近1:2:1
D.
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