单项选择题

But for some teachers, the learning curve with the device is steep, and a generation gap has opened with teachers who are still accustomed to writing lesson plans with a pen and paper. Many older educators are" Petrified" (吓呆的，惊呆的) of the boards, says Peter Kornicker, a media specialist at P. S. 161 in Harlem, where despite a student poverty rate of 98 percent, all 35 classrooms are equipped with touchscreens. "Always, it comes back to the ability of teachers to leverage this technology, "says Andy Rotherham of Education Sector, a Washington, D. C. - based think tank. "We have to train them to use it. Otherwise, it’ just another underused’, expensive thing. "
What does "to leverage" in bold most probably mean

A. To use
B. To equip
C. To learn
D. To buy
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Teachers are conditioned to tolerate a lot of abuse—it’s a professional hazard—but what faculty members at Sir G. E. Cartier Elementary School in London, Ontario, went through last spring seems beyond the call of duty :a few of them agreed to be duct -taped (用软管固定于)to a gym wall while students hit them in the face with pies. Why on earth would they do that To raise $ 3,000 enough cash for an interactive whiteboard, the most desirable piece of educational technology on the market right now. These Internet - age chalkboards are essentially giant computer touchscreens, and they’re all the rage among teachers. But with little room for them in school budgets, many educators are doing whatever it takes to raise the money themselves. We’re a desperate breed, aren’t we says Sharon Zinn, one of three teachers who volunteered for Cartier Elementary’s whipped - cream - flavored firing squad. How does the author view the deed of some of the teachers at Sir G. E. Cartier Elementary School
A. It is what most teachers are going through.
B. It is something worth praise.
C. It is too much for most teachers to tolerate.
D. It’s due to the fierce conflict between teachers and students.
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The Great Depression of the 1930s was the most momentous(重大的，重要的)economic event of the 20th century. It was a direct cause of World War II, having fed the Nazis’ rise in Germany. It inspired a new American welfare system as a response to mass misery. Everywhere, it discredited unsupervised capitalism. Given today’s economic crisis, our renewed fascination with the Depression is natural. But we ought to be cautious in stretching the parallels too far. It’s worth recalling how exceptional the Depression was. As Liaquat Ahamed writes in his engrossing (引人入胜的，使人着迷的) Lords of Finance : During a three -year period, real GDP [ gross domestic product ] in the major economies fell by over 25 percent, a quarter of the adult male population was thrown out of work...The economic turmoil created hardships in every corner of the globe, from the prairies of Canada to the crowded cities of Asi
a. "
What does the author mean by" exceptional" A. The Depression was different from other economic depressions.B. No other economic crises are comparable to the Depression in terms of consequences.C. There are no parallels between the present economic crisis and the Depression.D. The fascination aroused by the Depression lasted all the way to today.
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