The best solution to the pension crisis is to postpone the retirement age.
The best solution to the problem can only be found by a process of trail and ______.
A.mistake
B.error
C.success
D.experiment
The best solution to the female brain drain in universities is to________.
A.create more academic posts for women
B.offer help to women with young children
C.dismiss those with prejudice against women
D.promote more women to leadership positions
Which of te following is the best solution to the problems mentioned in the passage?
A.The designing of highly efficient car engines.
B.A reduction of vehicle use in cities.
C.The development of electric cars.
D.The use of less polluting furls.
(a) I2(b) NaOCl (c) K2Cr2O7(d) KMnO4
The best solution to the problem can only be found by a process of trial and ______.
A.error
B.mistake
C.success
D.experiment
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