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【单选题】
使用哪个符号包含JSON对象里的一系列"参数":"值"对?A.
花括号{}
B.
方括号[]
C.
圆括号()
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When the domestic money prices of goods are held constant
A.
a nominal dollar appreciation makes U.S. goods cheaper compared with foreign goods.
B.
a nominal dollar depreciation makes U.S. goods less appealing in foreign markets.
C.
a nominal dollar appreciation does not affect the prices of U.S. goods.
D.
a nominal dollar depreciation makes U.S. goods more expensive compared with foreign goods.
E.
a nominal dollar depreciation makes U.S. goods cheaper compared with foreign goods and a nominal dollar appreciation makes U.S. goods more expensive compared with foreign goods.
【单选题】Mr. Smith borrows ＄500 now and pays file money hack next year when prices have doubled, then how much will he be paying back in terms of real purchasing power measured by the money value of this year?...
A.
＄500.
B.
＄250.
C.
＄1000.
D.
＄750
【单选题】When money prices are used to facilitate comparisons of value, money is said to function as
A.
unit of account.
B.
medium of exchange.
C.
store of value.
D.
payments-system ruler.
【单选题】When money prices are used to facilitate comparisons of value, money is said to function as a
A.
unit of account.
B.
medium of exchange.
C.
store of value.
D.
payments-system ruler.
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