Many Ph. D. s are out of job because______.

A． they are improperly educated

B． they are of little commercial value to their society

C． there are fewer jobs in high schools

D． they prefer easier jobs that make more money

[单选题]1． Many boys like _______ because it's exciting．A． play soccerB． playing soccerC． play the soccerD． playing the soccer

[单选题]25． How many people go out in Mary's car on Sundays?A．Five．B．Six．C．Seven．D．Eight．

[单选题]Many farmers were driven out of Montana in the 1920’s as a result of drough

[单选题]H．ow many minutes early is a job applicant often expected to arrive for the interview?A．Over ten.B．No more than ten.C．At most five.D．No less than five.

[单选题]It is difficultto list all of John's [attributes] because he has so many di

[单选题]There were many talented actors out there just waiting ______ .A．to discoverB．to be discoveredC．discoveredD．being diseovered

[单选题]How many teeth didthe dentist [take out]?A.digB.drawC.pullD.extract

[单选题]设有关系模式R(S，D.，M)，其函数依赖集F={S→D．，D．→M}，则关系R的规范化程度至多达到______。A．1NFB．2NFC．3NFD．BCNF

[单选题]Many businesses ship their products by rail if they are shipping longdistan

[单选题]Peter _____ his job from a computer corporation because his salary was too