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问题 单项选择题

硬脑膜外血肿的典型特征是（）。

A.伤后当时立即出现的昏迷时间较长

B.CT示皮髓质交界处多个点状出血点

C.伤后逆行性遗忘

D.鼻出血

E.伤后一过性意识清醒或好转

答案

参考答案：E

解析：硬脑膜外血肿的典型特征是伤后一过性的意识清醒或好转，又称"中间清醒期"。

单项选择题

城市体系位序-规模法则的一般表达式可以用下式表示：lgPi＝lgP1-qlgRi，请问式中P1、q和Ri所代表的含义，下列哪一组是正确的( )

A．第一大城市的人口、城市位序、集中与分散的程度

B．城市位序、集中与分散的程度、第i位城市的人口

C．第一大城市的人口、集中与分散的程度、城市位序

D．第一大城市的人口、城市位序、集中度指数
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单项选择题

Lobbying groups often try to disguise a financial self-interest by clumsily dressing up their arguments in the guise of concern for the public. You see this tendency in the pharmaceutical industry (21) in energy and lumber companies who like to tout their (22) of the environment. But (23) , two new books argue, are these tactics more (24) a cause for concern than in agribusiness.
Marion Nestle’s "Food Safety: Bacteria, Biotechnology, and Bio-terrorism’ looks at the way the American meat and biotechnology industries have (25) successfully on Capitol Hill (26) stricter federal regulation, which the author argues has undermined the safety of the food supply.
(27) , Maxime Schwartz’s "How the Cows Turned Mad" (28) the origins of mad-cow disease over more than two centuries, and reveals the fallout from the British government’s blind (29) that the disease could not be (30) to humans.
In 1999, Ms Nestle writes in her earlier book, Rosemary Mueklow, the executive director of the National Meat Association, lobbied against President Clinton’s (31) to establish a more thorough testing regime for E. coli 0157: H7, a potentially (32) pathogen.
Ms Muck low’s organization—which represents meatpackers and processors who (33) to discard or reprocess meat found to be infected under the new testing regime—argued on Capitol Hill that (34) microbial testing in meat could actually lead to a greater public health risk (35) confident consumers might relax their own safe-handling procedures at home.

A. launched B. imposed C. campaignedD. led
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