Many promising postgraduates are unwilling to pursue a PhD degree because
A.they are not encouraged to be engaged in science.
B.industry does not require PhD holders.
C.they won"t earn much money after graduation.
D.they will face the cost and financial sacrifice.
第1题
The candidates of the PhD in the field of science and engineering is facing a competition from
A.technology.
B.foreign nationals.
C.C
D.such fields as law.
请帮忙给出正确答案和分析,谢谢!
第2题
The U.S.will come to lose its leading place in technology probably because
A.the number of PhD degree holders is declining.
B.the number of scientists and engineers is decreasing.
C.the number of 22-year-olds is declining.
D.scientists and engineers are not employed.
请帮忙给出正确答案和分析,谢谢!
第3题
Which of me following is needed to make the trumpet work?
A.Keen eyesight.
B.Long fingers.
C.Air pressure.
D.Daily cleaning.
请帮忙给出正确答案和分析,谢谢!
第4题
Todays trumpet is similar to its ancestors EXCEPT that
A.they are all hollow tubes.
B.they are all blown.
C.they all use the players" lips to produce the basic sound.
D.they are all made by hand.
请帮忙给出正确答案和分析,谢谢!
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