题目内容

设F(x)=g(x)φ(x)，x=a是φ(x)的跳跃间断点，g"(a)存在，则g(0)=0，g"(a)=0是F(x)在x=a处可导的( )

A. 充分必要条件．
B. 充分非必要条件．
C. 必要非充分条件．
D. 非充分非必要条件．

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Many aphasics do not show total language loss. Rather, different aspects of language are impaired. Aphasics in ______ area reveal word-finding difficulties and problems with syntax.

A. Werniker’s
B. visual
C. motor
D. Broca’s

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What can be drawn safely from the case of Genie is that ______.

A. it confirms the critical period hypothesis
B. human’s language acquisition device is independent of other intellectual abilities
C. language can not be acquired at all after the critical period
D. the language faculty of an average human degenerates after the critical period and consequently, most linguistic skills cannot develop

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初产妇，27岁，40周妊娠。因第二产程延长会阴切开和产钳助产术。术后3小时诉会阴部伤口疼痛，肛门检查发现会阴伤口处有5cm直径大小肿块，故予血肿切开缝合术。产后3天持续发热，体温38～39℃，伴头痛。检查：血压13.97/9.98kPa(105/75mmHg)，脉搏100次/分，子宫底位于脐下1指，压痛。恶露色红，量少，混浊不臭。双乳稍胀，无硬块。会阴伤口表面愈合不佳，无硬结及压痛。尿红细胞多，无异常。最可能的致病菌是

A. 脆弱杆菌
B. 金黄色葡萄球菌
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初产妇，27岁，40周妊娠。因第二产程延长会阴切开和产钳助产术。术后3小时诉会阴部伤口疼痛，肛门检查发现会阴伤口处有5cm直径大小肿块，故予血肿切开缝合术。产后3天持续发热，体温38～39℃，伴头痛。检查：血压13.97/9.98kPa(105/75mmHg)，脉搏100次/分，子宫底位于脐下1指，压痛。恶露色红，量少，混浊不臭。双乳稍胀，无硬块。会阴伤口表面愈合不佳，无硬结及压痛。尿红细胞多，无异常。该产妇持续高热，下肢疼痛，且放射至右腹股沟，右下肢肿胀，还应考虑下列哪项诊断

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设F(x)=g(x)φ(x)，x=a是φ(x)的跳跃间断点，g"(a)存在，则g(0)=0，g"(a)=0是F(x)在x=a处可导的( )

A. 充分必要条件． B. 充分非必要条件． C. 必要非充分条件． D. 非充分非必要条件．

Many aphasics do not show total language loss. Rather, different aspects of language are impaired. Aphasics in ______ area reveal word-finding difficulties and problems with syntax.

What can be drawn safely from the case of Genie is that ______.

A. 充分必要条件．
B. 充分非必要条件．
C. 必要非充分条件．
D. 非充分非必要条件．