ManyPh.D.sareoutofjobbecause______.
A.theyareimproperlyeducated
B.theyareoflittlecommercialvaluetotheirsociety
C.therearefewerjobsinhighschools
D.theyprefereasierjobsthatmakemoremoney
正确答案:B[解析]答案见文章第5段,只有诸如物理学或化学这样少数特殊领域的学识能够很快运用到工业或商业中。

ManyPh.D.sareoutofjobbecause______.
A.theyareimproperlyeducated
B.theyareoflittlecommercialvaluetotheirsociety
C.therearefewerjobsinhighschools
D.theyprefereasierjobsthatmakemoremoney
正确答案:B