A．equivalentB．similarityC．oppositeD．difference
A. equivalent
B. similarity
C. opposite
D. difference
Which of the following is true about Wikipedia？
A. It has once run into trouble.
B. There existed disaster and chaos in the beginning.
C. Many articles of it are outdated or of questionable value.
D. It has been a great success from the beginning.
A．nationalB．operationalC．internationalD．vocational
A. national
B. operational
C. international
D. vocational
A．originatedB．basedC．improvedD．dwelled
A. originated
B. based
C. improved
D. dwelled
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