Railway services are not yet sound enough economically without government subsidy.

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问题 Railway services are not yet sound enough economically without government subsidy.

选项 A、aid
B、charge
C、approval
D、domination

答案A

解析 subsidy补助，补贴。aid援助，资助。charge费用。approval赞成，批准。domination统治，支配。

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考博英语

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