On Wednesday the index closed up 2.4 percent, to 20, 687.88 points, and is now less than one percentage point away from the record high set in January 2008.
本周三该指数上涨2.4%,收于20687.88点,与2008年1月所达创纪录最高点相差不足1%。
Experts set a high valuation on the painting.
专家对这幅画估价很高。
But Marc Tucker says students who pass the exams could stay in high school and take a demanding set of exams at the upper division level.
VOA: special.2010.02.25
All right. Then we're going to set low to-- low and high, and we're going to perform exactly the process I talked about.
不满足条件,我们就可以直接停止运行了,好,接下来我们要定义边界值,然后按照我之前。
And so this is not like a math problem set or a physics problem set. Or, like a high school physics lab, where we all know what the answer should be, and you could fake your lab results anyway.
或是物理问题集合,又或者是高中的物理实验室,我们对这些问题都有确切的答案,或者你可以把你的实验结果改成正确的,有些事情是不能明确界定的。
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