单项选择题

Storm - water runoff—also called urban runoff or runoff pollution—is rainwater plus everything else it sucks up after hitting the ground: oil and grease from autos, emissions, brake dust, road salts and pathogens (病原体，致病菌) from animal waste. "In many U. S. cities, urban runoff far exceeds industrial waste as the main pollutant in local waterways, "says Steve Fleischli, president of the environmental watchdog Water keeper Alliance. The growth of AbTech’s revenues—projected to crack $10 million in 2010—speaks to the growing number of cities eager to address the problem.
Storm - water runoff is a mixture of

A. rainwater pills everything it takes away after hitting the ground.
B. oil grease from autos, emissions, brake dust, road salts and animal waste.
C. industrial Waste plus pollutant in local waterways.
D. rainwater plus industrial wast

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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

单项选择题

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.