“On the whole,” Ms. Dennis remarked, “engineering students are lazier now than they used to be. I know because fewer and fewer of my students regularly do the work they are assigned.” The conclusion drawn above depends on which of the following assumptions?
A、Engineering students are working less because, in a booming market, they are spending more and more time investigating different job opportunities.
B、Whether or not students do the work they are assigned is a good indication of how lazy they are.
C、Engineering students should work harder than students in less demanding fields.
D、Ms. Dennis’ students are doing less work because Ms. Dennis is not as effective a teacher as she once was.
E、Laziness is something most people do not outgrow.
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正确答案
试题解析
文段中丹尼斯女士根据：越来越少的学生做布置给他们的工作这一现象，得出结论：工程学的学生更懒了，所以可知丹尼斯女士以学生完成布置给他们的工作的情况来衡量学生的勤奋程度，故B项是正确的。
