题目内容
Opinions from other scientists might go like this: "Why should they want to get in touch with us They may want to observe us only and ______ (不干涉) the development of our civilization."
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苛性碱、盐类的中性溶液对铜有腐蚀作用。( )
During our stay in London, we paid a visit to the hospital founded ______ (为纪念) the nurse Florence Nightingale.
The cost is going up for just about everything, and college tuition is no exception. According to a nationwide (36) published by the College Board’s scholarship Service, tuition at most American universities will be on an (37) of nine percent higher this year over last. The biggest increase will (38) at private colleges. Public colleges, heavily subsidized by tax funds, will also increase their tuition, but the increase will be a few (39) points lower than their privately-sponsored neighbors. As a follow up, the United Press International did their study at Massachusetts Institute of Technology. At M. I. T. , advisors (40) that students have $ 8,900 available for one year’s expense, including $ 5,300 for tuition, $ 2,685 for room and board, $ 630 for personal expenses, and $ 285 for books and (41) . Ten years ago the tuition was only $ 2,150. To put that another way, the cost has (42) 150 Percent in the last decade. An additional (43) is placed on out-of-state students who must pay extra charges ranging from $ 200 to $ 2,000, and (44) at state-funded universities. On the brighter side, (45) . Job offers are up 16 percent from last year, and salaries are good, at least for graduates in technical fields. For example, a recent graduate in petroleum engineering can expect to make as much as $ 20,000 per year. (46) .
电磁流量计、被测介质及工艺管道三者之间应连成等电位，并应接地。( )
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