If a North American helps one from Asia or the Moslem countries across a street with his left hand, then the Asian or the Moslem may feel ______.
A. delighted
B. upset
C. satisfied
D. depressed
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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.
"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
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