The followings are the disadvantages actually present in online schooling EXCEPT ______ ？
A. It lacks face-to-face contact and socialization that take place in classrooms.
B. Some students prefer to have more interaction with their peers.
C. If students are not focused and motivated, it would be a nightmare.
D. Students can work at their own paces and on their own time.
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"A computing career isn't the draw" probably means that ______.
A. it wouldn't offer a bright future
B. it is not attractive
C. is not a smart choice
D. its future is unclear
According to the passage, scientists over 40 face a choice ______.
A. to face challenge by young people or to retire
B. to continue their research or to work under new subject
C. to exploit their endowment or turn to new subject
D. to accept new challenge from young people or stay unproductive
According to the author, the growth of productivity and improvement of living standard cannot be made without ______.
A. the aged scientific workers
B. foreign PhDs
C. scientific elite
D. yong engineering workforce
From Sociologist Harriet Zuckerman's book we learn that ______.
A. the age lore worked for physicist
B. in certain science Nobel prizes not only belonged to young scientists
C. scientists over 30 were as good as dead
D. researchers flourished when they past 60
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