Clinical depression is a serious ailment, but almost everyone gets mildly depressed from time to time. Randolph Nesse, a psychologist and researcher in evolutionary medicine at the University of Michigan, likens the relationship between mild and clinical depression to the one between normal and chronic pain. (46)He sees both pain and low mood as warning mechanisms and thinks that, just as understanding chronic pain means first understanding normal pain, so understanding clinical depression means understanding mild depression.
Dr. Nesse’s hypothesis is that, as pain stops you doing damaging physical things, so low mood stops you doing damaging mental ones — in particular, pursuing unreachable goals. Pursuing such goals is a waste of energy and resources. (47)Therefore, he argues, there is likely to be an evolved mechanism that identifies certain goals as unattainable and inhibits their pursuit — and he believes that low mood is at least part of
| Time, as we know it, is a very recent
invention. The modern time-sense is hardly older than the United States. It is a
by-product of industrialism--a sort of psychological analogue of synthetic
perfumes and aniline dyes. Time is our tyrant. We are chronically aware of the moving minute hand, even of the moving second hand. We have to be. There are trains to be caught, clocks to be punched, tasks to be done in specified periods, records to be broken by fractions of a second, machines that set the pace and have to be kept up with. Another time-emphasizing entity is the factory and its dependent, the office. Factories exist for the purpose of getting certain quantities of goods made in a certain time. The old artisan worked as it suited him with the result that consumers generally had to wait for the goods they had ordered from h A. valuable B. artificial C. indispensable D. rare [判断题]辅警可以单独开展警务工作。( )
A.正确 B.错误 [多项选择]下列说法正确的有( )。
A. 工程技术人员遇到的问题多为互斥型方案的选择 B. 工程技术人员遇到的问题多为独立型项目 C. 高层计划部门遇到的问题多为独立型项目(方案)的选择 D. 工程技术人员遇到的问题多为层混型项目(方案)的选择 E. 高层计划部门遇到的问题多为层混型项目(方案)的选择 [单项选择]下列哪一症状不是慢惊风常见证候？（）
A. 起病缓慢，时抽时止 B. 有时仅表现摇头或面部肌肉抽动或某一肢体抽搐 C. 面色苍白或萎黄 D. 精神疲倦、嗜睡或昏迷 E. 体温常高，但四肢逆冷 [多选题]传动系统分为： 、链传动。
A.齿轮传动 B.蜗杆传动 C.带传动 D.摩擦传动 [单选题][难度:0.5][分数:1]液压系统在安装前必须对将安装的油管进行清洗,一般用( ),再用温水清洗,然后干燥。
A.5%硫酸或盐酸溶液进行酸洗 B.60%硫酸或盐酸溶液进行酸洗 C.70%硫酸或盐酸溶液进行酸洗 D.20%硫酸或盐酸溶液进行酸洗 [单项选择]假定有以下变量定义：intk=7，x=12；则能使值为3的表达式是（）
A. x%=（k%=5） B. x%=（k-k%5） C. x%=（k-k%5） D. （x%=k）-（k%=5） [单选题]关于风险等级可接受性评定的说法中，正确的是（ ）。
A.风险等级为大的风险因素是不希望有的风险 B.风险等级为中的风险因素是不可接受的风险 C.风险等级为小的风险因素是不可接受的风险 D.风险等级为很小的风险因素是可忽略的风险 [判断题]《政府工作报告》指出，“六保”是今年“六稳”工作的着力点。守住“六保”底线，就能稳住经济基本盘；以保促稳、稳中求进，就能为全面建成小康社会夯实基础。
A.正确 B.错误 [多项选择]以下哪些情况属于高危儿（）
A. 妊高症母亲产下的新生儿 B. 早产儿 C. 小于胎龄儿 D. 巨大儿 E. 出生时Apgar评分低于7分 [单项选择]GSM的普通小区最大覆盖半径是：（）
A. 15KM B. 30KM C. 35KM D. 70KM [单选题]牙周炎的病因中应首先考虑何种因素以指导治疗 ( )
A.免疫学因素 B.营养因素 C.内分泌因素 D.遗传因素 E.菌斑因素 [简答题]电子支付法律责任主要有哪几种？
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