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【简答题】
Q组合应该放在该区段中所有道岔的岔尖______侧。
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Mary is a waitress (女服务生). She works at a busy restaurant She lakes people's orders(订单) and serves (供应)them food. She also takes people's money and gives them change(零钱). When the restaurant is really...
A.
She takes people's order and seines them food.
B.
She sets and cleans the table.
C.
She stands at the gate of the restaurant.
【单选题】Money serves all but which one of the following functions?
A.
Medium of exchange.
B.
Hedge against inflation
C.
Unit of account
D.
Store of value
【简答题】近代中国最基本的国情是什么?
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