单项选择题

A．To show how a smuggler is caught.B．To show a smuggler……

Why does the author give an example in the last paragraph

A．To show how a smuggler is caught.
B．To show a smuggler is afraid of the police.
C．To show to keep a wary eye on couriers is useless.
D．To show mules may keep the profit for themselves.

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单项选择题The sentence if he is blown in Par

A．1 is closest in meaning to "______".A. if he is arrestedB. if he is recognized, but not necessarily arrestedC. if he is recognized and arrestedD. if he runs away

单项选择题Meeting foreign language requirements for the Ph.D. ______.

A．is the most frequent reason for dropping out
B．is more difficult for the science candidate than for the humanities candidate
C．is an essential part of many Ph.
D．programsD. does not vary in difficulty among universities

单项选择题After reading the article, one would refrain from concluding that ______.

A．optimism reigns in regard to getting Ph.D. dropouts to return to their pursuit of the degree
B．a Ph.D. dropout, by and large, does not have what it takes to learn the degree
C．colleges and universities employ a substantial number of Ph.
D．dropoutsD. Ph.D. s are not earning what they deserve in nonacademic positions

单项选择题Research has shown that ______.

A．dropouts are substantially below Ph.D. s in financial attainment
B．the incentive factor is a minor one in regard to pursuing Ph.D. studies
C．the Ph.D．candidate is likely to change his field of specialization if he
D．about one-third of those who start Ph.D．work do

单项选择题The author states that many educators feel that ______.

A．steps should be taken to get the dropouts back to campus
B．the dropouts should return to a lower quality school to continue their study
C．the Ph.
D．holder is generally a better adjusted person than the dropoutD. the high dropouts rate is largely attributable to the lack of stimulation on the part of faculty members