12. Let me ______ two of many reasons for this concern. (U2—B)
A. understand
B. undermine
C. underestimate
D. underscore
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13. She suffered through two divorces and finally found peace through yoga and ______ . (U2—B)
A. medication
B. meditation
C. mentality
D. Melody
Two trains ______ head-on in Ohio early this morning. (U2—B)
A. trapped
B. collapsed
C. collided
D. Overlapped
15. The old professor was so versatile that he could ______ almost any subject we studied. (U2—B)
A. illuminate
B. signify
C. illustrate
D. simulate
Translate the following paragraph into English.随着城市化(urbanization)进程的加快,越来越多的农民工(migrant worker)在城市里安顿下来。他们把子女接到城里来,希望孩子能接受到更好的教育。然而,这些农民工发现现实并不像他们预期的那么美好。城市公立学校的设施和师资远远不能满足大批农民工子女的需求。幸运的是,农民工子女的教育已成为政府议事日程上优先处理的问题。