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某技术方案投资现金流量的资料见表1，用该技术方案的静态投资回收期为______年。 表1 技术方案投资现金流量表计算期/年012345678现金流入/万元———80012001200120012001200现金流入/万元—600900500700700700700700
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《中华民国临时政府组织大纲》的制定蓝本是______
义务教育阶段设置的“设计·应用”学习领域主要是培养学生形成初步的（ ）和提高动手能力。
Radiation occurs from three natural sources: radioactive material in the environment, such as in soil, rock, or building materials; cosmic rays; and substances in the human body, such as radioactive potassium in bone and radioactive carbon in tissues. These natural sources account for an exposure of about 100 millirems a year for the average American. The largest single source of man-made radiation in medical x-rays, yet most scientists agree that hazards from this source are not as great as those from weapons-test fallout, since strontium-90 and carbon-14 become incorporated into the body, hence delivering radiation for an entire lifetime. (46)The issue is, however, by no means uncontroversial; indeed, the last two decades have witnessed intensified examination and dispute about the effects of low-level radiation.A survey conducted in Britain confirmed that an abnormally high percentage of patients suffering from arthritis of the spine who had been treated with x-rays contracted cancer. Another study revealed a high incidence of childhood cancer in cases where the mother had been given x-rays. (47)These studies have pointed to the need to re-examine the assumption that exposure to low linear energy transfer presented only a minor risk.Recently, examination of the death certificates of former employees of a West Coast plant which produces plutonium for nuclear weapons revealed markedly higher rates for cancers of the pancreas, lung, bone marrow and lymph systems than would have been expected in a normal population. (48)While the National Academy of Sciences committee attributes these differences to chemical or other environmental causes, rather than radiation, other scientists maintain that any radiation exposure, no matter how small, leads to an increase in cancer risk.(49)It is believed by some that a dose of one rem, if sustained over many generations, would lead to an increase of one percent in the number of 1,000 disorders per million births.In the meantime, regulatory efforts have been disorganized, fragmented, and inconsistent, characterized by internecine strife and bureaucratic delays. A Senate Freeport concluded that coordination of regulation among involved departments and agencies was not possible because of jurisdictional disputes and confusion. (50)One Federal agency has been unsuccessful in its efforts to obtain sufficient funding and manpower for the enforcement of existing radiation laws, and the chairperson of a panel especially created to develop a coordinated Federal program has resigned.
Most of us are taught to pay attention to what is said—the words. Words do provide us with some information, but meanings are (1)_____ from so many other sources that it would hinder our effectiveness (2)_____ a partner to a relationship to rely too heavily on words (3)_____ Words are used to describe only a small part of the many ideas we associate with any given (4)_____. Sometimes we can gain insight into some of those (5)_____ if we listen for (6)_____ words. We don"t always say what we mean (7)_____ mean what we say. Mostly we mean several things at once. A person wanting to purchase a house says to the current owner. "This step has to be fixed before I"ll buy". The owner says, "It"s been like that for years". (8)_____, the step hasn"t been like that for years, but the (9)_____ message is: "I don"t want to fix it. We can put up with it why can"t you" The (10)_____ for a more expansive view of meaning can be developed by examining a message (11)_____ who said it, when it occurred, the (12)_____ conditions or situation, and how it was said. When a message occurs can also (13)_____ associated meaning. A friend"s unusually docile behavior may only be understood by (14)_____ that it was preceded by situations that required a(n) (15)_____ amount of assertiveness. We would do well to listen for how message are (16)_____ The words, "it sure has been nice to have you over", can be said with (17)_____ and excited or ritualistically. The phrase can be said once or (18)_____ several times. And the meaning we associate with the phrase will change (19)_____ Sometimes if we say something infrequently it assumes more importance; sometimes the more we say something the (20)_____ importance it assumes.
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