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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) .

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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。( )

A. 对
B. 错

If you ______ (付出不懈的努力), you will succeed in the end.

All over Europe, and in North America, there're lakes and forests which are dead or (1) and the (2) is thought to be acid rain. What is acid rain Mr. Justin Cook, a scientist, explains: "All fossil fuels, (矿物燃料),that (3) oil, coal and gas, contain sulphur. When these are burnt, for example (4) motor vehicles, they form sulphuric acid (硫酸)This (5) UP into the air, and soon it falls back to (6) , into lakes and (7) trees in forests." This can cause many local problems. (8) a result, lakes become acidic, fish disappear and trees are killed. The pollution is carried great distances by the wind, so sulphuric acid (9) in Britain can travel as far as Scandinavia (斯堪的纳维亚). Czech is one of the countries with the most acid rains and large areas of (10) consist only (11) dead trees.Is there (12) that can be done about acid rain Mr. cook says: "The rain (13) of acid rain is (14) power stations to install filters that (15) the acid getting out into the air. Here in Britain, the only (16) that has been taken is that the chimneys are built (17) so that the pollution is more distributed." If the petrol used in motor vehicles (18) lead--free, then it Would be possible to filter exhaust fuses (废气) which are a (19) cause of pollution. But these filter mechanisms (机械装置)can not work (20) the leads is removed. 19()

A. great
B. minute
C. major
D. minor

水的膨胀性和压缩性很小,因此对盛满水的较大密闭容器也不考虑膨胀性。( )

A. 对
B. 错

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