单选题：The survey was focused on

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题目内容：
The survey was focused on A．the living conditions of older physicians in the U. S.
B．the career plans of older physicians in the U. S.
C．the retirement plans of older physicians in the U. S.
D．the achievements of older physicians in the U. S.

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When older people become________ to care for themselves, the

When older people become________ to care for themselves, they create grave prob

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根据支付结算法律制度的规定，下列票据欺诈行为中，属于伪造票据的是（　　）。

根据支付结算法律制度的规定，下列票据欺诈行为中，属于伪造票据的是（　　）。A．假冒出票人在票据上签章 B．涂改票据号码 C．对票据金额进行挖补篡改 D．修改票据

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The attitude of the author towards the research project is

The attitude of the author towards the research project isA．positive B．negative

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Social distance __________.

Social distance __________.A．differs among animal species B．to psychological di

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若有以下程序 则程序的输出结果是

若有以下程序 则程序的输出结果是 A．3 B．7 C．6 D．10

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