问题 单项选择题 A1/A2型题

关于药效学指标叙述不正确的是()

A.药效学指标必须在个体间和个体内有良好的重复性

B.药效学指标必须是客观的

C.药效学指标必须具有临床意义,且可作为治疗依据

D.药物的效应常可根据药物剂量进行预测

E.要进行正确的药物药效学评价,必须选择简单、可行、可靠的药效学指标

答案

参考答案:D

多项选择题
单项选择题

The fact that most Americans live in urban areas does not mean that they reside in the center of large cities. In fact, more Americans live in the suburbs of large metropolitan areas than in the cities themselves.

The Bureau of the Census regards any area with more than 2,500 people as an urban area, and does not consider boundaries of cities and suburbs.

According to the Bureau, the political boundaries are less significant than the social and economic relationships and the transportation and communication systems that integrate a locale. The term used by the Bureau for an integrated metropolis is an MSA, which stands for Metropolitan Statistical Area. In general, an MSA is any area that contains a city and its surrounding suburbs and has a total population of 50,000 or more.At the present time, the Bureau reports more than 280 MSAs, which together account for 75 percent of the US population. In addition, the Bureau recognizes 18 megapolises, that is, continuous adjacent metropolitan areas. One of the most obvious megapolises includes a chain of hundreds of cities and suburbs across 10 states on the East Coast from Massachusetts to Virginia, including Boston, New York, and Washington, D.C. In the Eastern Corridor, as it is called, a population of 45 million inhabitants is concentrated. Another megapolis that is growing rapidly is the California coast from San Francisco through Los Angeles to San Diego.

The underlined word "reside" in Paragraph 1 is closest in meaning to ().

A. fill

B. decide

C. occupy

D. live