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搜题
【单选题】
对输电距离远、容量大、运行时间长、年运行费用多的线路，其截面应按（）选择。A.
长时允许电流
B.
允许电压埙失
C.
经济电流密度
D.
机械强度
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
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【简答题】FBI汉语名称是
【单选题】听力原文：The holder of credit card can buy goods against the card at any shop that has joined the scheme without cash. (9)
A.
The credit card can be used at any shop without paying cash.
B.
The credit card can he used at any appointed shop together with cash.
C.
The credit card can be used at any appointed shop without paying cash.
D.
The credit card can be used to withdraw any amount of cash.