What's the attitude of the U.N. towards physical punishment？
A. Disapproved.
B. Concerned.
C. Indifferent.
D. Recommended.
查看答案
A．BecauseB．NonethelessC．ThereforeD．Whether
A. Because
B. Nonetheless
C. Therefore
D. Whether
What problem did Clotfelter face when he studied the effect of schools' extracurricular activities？
A. Students were unwilling to cooperate when he conducted the poll.
B. There was no available data of the racial composition of every school.
C. He found it impossible to catalogue the structural feature of all high schools.
D. It was difficult to compare the racial makeup of the clubs and sports teams.
A．findingB．purposeC．prospectD．proposal
A. finding
B. purpose
C. prospect
D. proposal
A．inventedB．discoveredC．locatedD．developed
A. invented
B. discovered
C. located
D. developed
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