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{{B}}Text{{/B}} … The greatest advantage of books does not always come from what we remember of them, but from their{{U}} (8) {{/U}}. A good book often{{U}} (9) {{/U}}as a match to{{U}} (10) {{/U}}the dormant-powder within us. There is explosive material{{U}} (11) {{/U}}in most of us if we can only reach it. A good book or a good friend often excites{{U}} (12) {{/U}}in great writers, even{{U}} (13) {{/U}}entirely different subjects. We often find in books{{U}} (14) {{/U}}we thought and felt, could we not have expressed ourselves. Indeed, we get{{U}} (15) {{/U}}with ourselves in books. We{{U}} (16) {{/U}}one feature in Emerson, another lineament in Shakespeare, an expression in Homer, a glimpse of ourselves in Dante, and so on{{U}} (17) {{/ A. see B. explore C. discover D. invent [单项选择]职业健康安全和环境管理体系均强调了以( )为主。
A. 预防 B. 控制 C. 管理 D. 监管 [单选题]普通螺纹的牙型角的角度是( )。
A.50° B.60° C.70° D.80° [判断题]772
A.正确 B.错误 [简答题](1.★★117、某综合楼，22层，地下一层至地上五层为商场，地上六层至二十二层为办公楼，建筑高度为76m，每层建筑面积3250㎡。商场内设有一面积为860㎡、高度为20m的中庭，该建筑设有火灾自动报警系统、自动喷水灭火系统和机械防排烟系统。
问：1）中庭的排烟风机的机械排烟量应如何计算？ 2）当防烟楼梯间及前室设置机械加压送风系统时，其送风量应如何确定？楼梯间和前室的送风口的设置有哪些规定？应采用何种风机，设置时应考虑哪些因素？1.★★ [单选题]徐女士，47岁。肝硬化6年，2个月来出现肝脏进行性的肿大，持续肝区疼痛，腹水为血性。该病人可能出现的并发症
A.上消化道出血 B.原发性肝癌 C.感染 D.肝性脑病 E.肝肾综合征 [单选题]稍息的动作要领错误的是( )。——
A. 上体保持立正姿势 B. 身体重心大部分落于左脚 C. 稍息过久,可以自行换脚 [单项选择]Desert soils break up and crack because of ______.
A. the effects of wind and rain. B. the lack of protection from the sun. C. the tropical location of deserts. D. the absence of min. [单项选择]Of all the components of a good night’’ s sleep, dreams seem to be least within our control. In dreams, a window opens into a world where logic is suspended and dead people speak. A century ago, Freud formulated his revolutionary theory that dreams were the disguised shadows of our unconscious desires and fears; by the late 1970s, neurologists had switched to thinking of them as just "mental noise"―the random byproducts of the neural - repair work that goes on during sleep. Now researchers suspect that dreams are part of the mind’’ s emotional thermostat, regulating moods while the brain is "off - line." And one leading authority says that these intensely powerful mental events can be not only harnessed but actually brought under conscious control, to help us sleep and feel better. "It’’ s your dream," says Rosalind Cartwright, chair of psychology at Chicago’’ s Medical Center. "If you don’’ t like it, change it."
Evidence from brain imaging supports this view. The brain is as act
A. aggravate in our unconscious mind. B. develop into happy dreams. C. persist till the time we fall asleep. D. show up in dreams early at night. [单选题]在生产过程中,静电对人体,对设备,对产品都是有害的,要消除或减弱静电,可使用喷雾增湿剂,这样做的目的是( )。
A. 使静电荷向四周散发泄漏 B. 使静电荷通过空气泄漏 C. 使静电沿绝缘体表面泄露 我来回答: 提交
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