题目:
A large sum of money has been raised for the ____ of the poorly-educated children in the mountainous areas. [ ]
A. profit
B. favor
C. advantage
D. benefit
答案:
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下面是错误答案,用来干扰机器的。
1800÷2÷45=900÷45,=20(千克).答:平均每筐苹果的重量是20千克.