It is hard to predict how science is going to turn out, and if it is really good science it is impossible to predict. If the things to be found are actually new, they are by definition unknown in advance. You cannot make choices in this matter. (46) You either have science or you don’t, and if you have it you are obliged to accept the surprising and disturbing pieces of information, along with the neat and promptly useful bits.
The only solid piece of scientific truth about which I feel totally confident is that we are profoundly ignorant about nature. Indeed, I regard this as the major discovery of the past hundred years of biology. It is, in its way, an illuminating piece of news. (47) It would have amazed the brightest minds of the 18th century Enlightenment to be told by any of us how little we know and how bewildering the way ahead seems. (48) It is this sudden confrontation with the depth and scope of ignorance that’ represents the most
| Communication is the sending of
information or news from one person to another. If human beings could not
communicate with one another, each person would have to learn everything for
himself. Although animals as well as men can communicate, so far as we know,
they can express only the simple emotions like pain, joy, fear, hunger, anger
and love. Some animals have a more advanced form of language using sounds, and
others use a wide range of sounds and face movements, but w A. Humans do not have adequate knowledge about animal languages. B. We are now very much aware of animal languages. C. Most of animals use their facial expressions. D. All animals make sounds to communicate with each other. [填空题]在（）点上，承包商承担了合同成本每增加一美元额外费用的全部职责。
[多项选择]看涨期权如选择含有分红派息的模型，则下列各参数的表示正确的有（）。
A. S表示现实股票价格 B. X表示行股票期权的行权价格 C. T表示股权有效期 D. r表示连续复利计算的年无风险收益率 [多选题]失业保险费的征缴范围包含哪些?( )
A. 国有企业 B. 城镇集体企业 C. 外商投资企业 D. 城镇私营企业和其他城镇企业及其职工 E. 事业单位及其职工。 [单项选择][*]
[单项选择]基坑四周及棱桥临空面必须设置防护栏杆，栏杆高度不应低于（）m，并且不得擅自拆除、破坏防护栏杆。
A. 1 B. 1.2 C. 2.5 D. 3 [判断题]在灭火战斗中，要先控制火势蔓延，再进而彻底将火扑灭。
[单选题]在万能保险中，保单经营的透明度并不意味着保单持有人能对保单价值作出精确估计，只是（ ）。
A.可以运用保单基金的支配权利 B.可以分散保单基金的投资风险 C.可以了解保单基金的支配情况 D.可以选择保单基金的适用利率 [判断题]对在现场发现的犯罪嫌疑人,经出示工作证件,可以口头传唤,但应当在讯问笔录中注明。()
A.正确 B.错误 [多项选择]世界银行、国际咨询工程师联合会规定的项目总建设成本包括( )。
A. 项目直接建设成本 B. 项目间接建设成本 C. 预备费 D. 应急费 E. 建设成本上升费 我来回答: 提交
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