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　　Text 1

　　21、practical ability

　　【解析】定位到文章第二段He is a teacher at a New Hampshire high school where learning is not something of books and tests and mechanical memorization, but practical.

　　22、are not academically successful

　　【解析】定位到文章第四段Working with your hands is seen as almost a mark of inferiority. School in the family of vocational education “have that stereotype...that it’s for kids who can’t make it academically,” he says.

　　23、used to have more job opportunities

　　【解析】定位到文章第五段The job security that the US economy once offered to high school graduates has largely evaporated.

　　24、indicates the overvaluing of higher education

　　【解析】定位到文章第最后一段There is a gap in working-class jobs, but the workers who need those jobs most aren’t equipped to do them.Koziatek’s Manchester School of Technology High School is trying to fill that gap.

　　25、Supportive

　　【解析】文章开头体现出是关于教育的话题，讲的是美国由于经济形势的改变，不再注重动手能力，而作者对于目前只强调理论，不强调实践的这件事情是一个否定的立场和态度，这与Koziatek的观点相一致。

　　Text 2

　　26、Falling

　　【解析】定位到文章第二段第二句，本题词汇题，结合第三句The cost of solar panels has dropped by 80 percent价格下降，得出答案。

　　27、is progressing notably

　　【解析】定位到文章第三段While the rest of the world takes the lead，notably China and Europe，the United States is also seeing a remarkable shift.

　　28、wind is a widely used energy source

　　【解析】定位到文章第四段In a recent speech in Iowa，he dismissed wind power as an unreliable energy source.But that message did not play well with many in Iowa，where wind turbines dot the fields and provide 36 percent of the state’s electricity generation—and where tech giants like Microsoft are being attracted by the availability of clean energy to power their data centers.

　　29、Its continuous supply is becoming a reality.

　　【解析】定位到文章第五、六段，将四个选项与文章逐个比对，Its continuous supply is becoming a reality与文章第五段第二句表达一致。

　　30、is not really encouraged by the US government

　　【解析】定位到文章第最后一段最后一句What Washington does—or doesn’t do—to promote alternative energy may mean less and less at a time of a global shift in thought.