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问题 选择题

为实现2020年我国控制温室气体排放的行动目标，国务院提出，要强化节能减排目标责任制，加强节能减排重点工程建设，坚决管住产能过剩行业新上项目，开展低碳经济试点等工作，加快建设资源节约型、环境友好型社会。这需要[ ]

①落实科学发展观，促使国有企业退出一般竞争性行业

②优化出口、投资、消费在经济发展中的比重

③走新型工业化道路，着力构建低碳发展产业

④加大科技投入，促进技术创新，转变经济发展方式

A．①②

B．③④

C．①③

D．②④

答案

答案：B

选择题

现用pH＝3的CH3COOH溶液和pH＝11的NaOH溶液各V mL，进行中和滴定，当滴定到pH＝7时，锥形瓶内溶液的体积为(滴定前后溶液未稀释、总体积不变)

A．等于2V mL

B．小于2V mL

C．大于2V mL

D．小于、等于或大于2VmL
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单项选择题

Attempts to understand the relationship between social behavior and health have their origin in history. Dubos (1969) suggested that primitive humans were closer to the animals (1) they, too, relied’upon their instincts to stay healthy. Yet some primitive humans (2) a cause and effect relationship between doing certain things and alleviating (3) of a disease or (4) the condition of a wound. (5) there was so much that primitive humans did not (6) the functioning of the body, magic became an integral component ofthe beliefs about the causes and cures of heath (7) Therefore it is not (8) that early humans thought that illness was caused (9) evil spirit. Primitive medicines made from vegetables or animals were invariably used in combination with some form of ritual to (10) harmful spirit from a diseased body.

One of the. earliest (11) in the Western world to formulate principles of health care based upon rational thought and (12) of supernatural phenomena is found in the work of the Greek physician Hippocrates. The writing (13) to him has provided a number of principles underiying modern medical practice. One of his most famous (14) , the Hippocratic Oath, is the foundation of contemporary medical ethics.

Hippocrates also argued that medical knowledge should be derived from a (15) of the natural science and the logic of cause and effect relationships. In this (16) thesis, On Air, Water, and Places, Hippocrates pointed out that human well-being is (17) by the totality of environmental (18) : living habits or lifestyle, climate, geography of the land, and the quality of air, and food. (19) enough, concerns about our health and the quality of air, water, and places are (20) very much written in twentieth century.

19（）

A.Interesting

B.Appealing

C.Demanding

D.Exaggerating
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