23. We can infer from Paragraph 5 that high school graduates .
A.used to have big financial concerns
B. used to have more job opportunities
C.are reluctant to work in manufacturing
D.are entitled to more educational privileges
24. The headlong push into bachelor's degrees for all .
A.helps create a lot of middle-skill jobs
B.may narrow the gap in working-class jobs
C.is expected to yield a better-trained workforce
D.indicates the overvaluing of higher education
25. The author's attitude toward Koziatek's school can be described as
A.supportive
B.tolerant
C. disappointed
D.cautious
26. The word "plummeting" (Line 3, Para. 2) is closest in meaning to .
A. stabilizing
B.changing
C. falling
D. nsmg
27. According to Paragraph 3, the use of renewable energy in America .
A. is progressing notably
B.is as extensive as in Europe
C. faces many challenges
D.has proved to be impractical
28. It can be learned that in Iowa, .
A.wind is a widely used energy source
B.wind energy has replaced fossil fuels
C.tech giants are investing in clean energy
D.there is a shortage of clean energy supply
29. Which of the following is true about clean energy according to Paragraphs 5&6 ?
A.Its application has boosted battery storage.
B.It is con皿only used in car manufacturing.
C.Its continuous supply is becoming a reality.
D.Its sustainable exploitation will remain difficult.
30. It can be inferred from the last paragraph that renewable energy .
A.will bring the US closer to other countries
B.will accelerate global environmental change
C. is not really encouraged by the US government
D.is not competitive enough with regard to its cost
31. According to Paragraph 1, Facebook acquired WhatsApp for its .
A. digital products
B. user information
C. physical assets
D. quality service
32. Linking phone numbers to Facebook identities may .
A worsen political disputes
B. mess up customer records
C. pose a risk to Facebook users
D.mislead the European commission
