社会成员享用社会公共服务时，应( )。
A．按平价付费 B．按市场价格付费 C．按成本付费 D．无需付费或只需少量付费
参考答案：D
词形转换。
1. The dog stopped _ (bark) when it saw his owner.
2. It is very strange that baby has four (finger) in his left hand.
3. Our teacher said he wouldn't forgive these _ _ (honest) boys for ever.
4. The fish you cooked just now (smell) terrible.
5. We often see a lot of (ant) going up and down in the trees.
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