D. electricity generation must be increased by 60% 30 years later
65. What does the IWMI say is the best solution to food insecurity in sub-Saharan Africa and south Asia?
A. Applying small pumps and simple technology.
B. Launching large-scale irrigation projects.
C. Increase the local household revenues.
D. Investing in a new expensive irrigation project.
答案解析:
56 B)。由题干中的first paragraph about Lore定位到原文第一段第二句:The twist with Joesph Cohen,Dan Getelman and Jim Grandpre is that their start-up alms to improve how universities work.
详解:事实细节题。本题考查学问公司的相关事实。定位句指出,约瑟夫.科恩.金提曼和吉姆.格兰坡的合作创业旨在提升学校的运作方式,故答案为B)。A)它专门制造旧帽子,完全误解了原文句子的意思,故排除;C)它投资6百万发展社交网络,由该段最后一句可知,是发展社交学习型的课堂网络而不是全社会的,故排除;D)促进同学间的交流,这是社交网络的一个好处,而不是主要意图,故排除。
57.C)。由题干中的Lore enable teachers to do 定位到原文第二段第四句:Lore allows teachers to control exactly who is in the network by issuing a class-membership code and to see how they are using it.
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