正确答案: B

错误，不能对学生实施体罚或变相体罚

题目：学生李某因在上课时嬉戏打闹，被班主任罚打手心30下。班主任的这种做法()。

解析：《中小学教师职业道德规范》（2008年修订）"关爱学生"规定，教师要关爱学生。不讽刺、挖苦、歧视学生，不体罚或变相体罚学生。故选择B。

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学习资料的答案和解析：

[单选题]艾宾浩斯遗忘曲线表明了遗忘发展的一条规律：遗忘的发展是( )的。

先快后慢

解析：艾宾浩斯遗忘曲线是有规律的，遗忘的进程很快，并且先快后慢，呈负加速型。

[单选题] There are few more sobering online activities than entering data into college-tuition calculators and gasping as the Web spits back a six-figure sum. But economists say families about to go into debt to fund four years of partying, as well as studying, can console themselves with the knowledge that college is an investment that, unlike many bank stocks, should yield huge dividends. A 2008 study by two Harvard economists notes that the "labor-market premium to skill"-or the amount college graduates earned that's greater than what high-school graduate earned-decreased for much of the 20th century, but has come back with a vengeance since the 1980s. In 2005, the typical full-time year- round U.S. worker with a four-year college degree earned $50,900,62% more than the $31,500 earned by a worker with only a high-school diploma. There's no question that going to college is a smart economic choice. But a look at the strange variations in tuition reveals that the choice about which college to attend doesn't come down merely to dollars and cents. Does going to Columbia University (tuition, room and board $49,260 in 2007-08) yield a 40% greater return than attending the Uruversity of Colorado at Boulder as an out-of-state student ($35,542)? Probably not. Does being an out-of-state student at the University of Colorado at Boulder yield twice the amount of income as being an in-state student ($17,380) there? Not likely. No, in this consumerist age, most buyers aren't evaluating college as an investment, but rather as a consumer product-like a car or clothes or a house. And with such purchases, price is only one of many crucial factors to consider. As with automobiles, consumers in today's college marketplace have vast choices, and people search for the one that gives them the most comfort and satisfaction in line with their budgets. This accounts for the willingness of people to pay more for different types of experiences (such as attending a private liberal-arts college or going to an out-of-state public school that has a great marine-biology program). And just as two auto purchasers might spend an equal amount of money on very different cars, college students (or, more accurately, their parents) often show a willingness to pay essentially the same price for vastly different products. So which is it? Is college an investment product like a stock or a consumer product like a car? In keeping with the automotive world's hottest consumer trend, maybe it's best to characterize it as a hybrid (混合动力汽车):an expensive consumer product that, over time, will pay rich dividends.

The relation between the tuition of college and graduates' salary is that ________.

the relation between them is little to see

解析：1.推断题。文中第三段倒数第二句提到“Does being an out-of-state student at the University of Colorado at Boulder yield twice the amount of income as being an in-state student ($17,380) there?”即在 Colorado内的学生支付的学费是$17380，仅为州外学生的一半，故选C。A、B、D都没有提到。 2.细节题。文中第二段第一句提到“…the“labor-market premium to skill”-or the amount college graduates earned that's greater than what high-school graduate earned-decreased for much of the 20th century”即在20世纪，大学生和高中毕业生之间的工资差距越来越少，选项C符合题意，故选C。 3.细节题。文中第三段有一系列的反问句，最后两句说“Does being an out-of-state student at the University of Colorado at Boulder yield twice the amount of income as being an in-state student ($17，380) there? Not likely.”即更高的学费并不代表以后会有更高的收入，即它们之间的关系很小，故选B。 4.细节题。文中第一段最后一句提到“…fund four years of partying，as well as studying， can console themselves with the knowledge that college is an investment that, unlike many bank stocks, should yield huge dividends”即：不像是许多银行的股票，四年的学习应该可以带来巨大的利润。即把大学教育当成了一项明智的投资，故选D。 5.态度题。文中最后一段最后一句提到“In keeping with the automotive world's hottest consumer trend, maybe it's best to characterize it as a hybrid; an expensive consumer product that, over time，will pay rich dividends”即大学是项昂贵的投资，但随着时间的推移，可能会有很丰富的利润，故选B。