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问题 单项选择题

对于拍卖，下列说法错误的是( )。

A．拍卖的当事人有三方，且三方缺一不可

B．拍卖中价格的竞争是在卖方中间展开的

C．拍卖商品的出售价格由买方定价

D．拍卖方式交易中，竞买人必须向拍卖人公开其实身份

答案

参考答案：B

单项选择题

休克病人有效循环血量恢复的征象哪项表述是错误的？（）

A.皮肤黏膜红润

B.四肢温暖

C.血压正常或回升

D.肺水肿

E.静脉充盈，尿量正常
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单项选择题

Rapid application development (RAD) systems purport to lighten the developer’s (46) by making it easy to program an application with simple intuitive steps.

RAD tools (47) the developer everything needed to construct a fully functional application quickly and easily. They make short work of modifying the developed product to (48) changes after the program is finished. Applications developed with RAD tools are constructed as they are envisioned. As an application’s real usefulness (49) , the developer armed with RAD tools should be able to (50) on new features with little fuss.

（46）是（）

A.burden

B.trouble

C.task

D.weight
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