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为力求各营养素之间有合理的比值，蛋白质所提供的热能应占总热量的（）。
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未经医师（士）亲自诊查患者或亲自接产，医疗机构不得出具某些证明文件，但可以出具（）
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欧洲冠军杯是足球界最重要的俱乐部赛事。请问欧洲冠军杯决赛一般在什么时候开打（）
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根据天翼黑莓业务应用模式（BlackBerry服务器部署方式）的不同，可将黑莓邮件服务分为BES邮件服务和BIS邮件服务。
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女性，30岁，右下腹痛、腹泻3个月，大便糊状、无黏液及脓血。查体：腹部平软，右下腹可触及包块，肝脾无肿大。X线钡餐示回肠及近段结肠铺路石样改变，有纵行和匐行溃疡，可能的诊断为（）
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三十六岁，G6P2。因停经41周，胎膜早破2日，阵发性腹痛6小时入院。宫口开大2cm，因宫缩乏力静滴缩宫素，宫口迅速开大，1小时30分钟后胎儿经阴道娩出。诊断为羊水栓塞。 胎儿娩出10分钟后，胎盘胎膜迅速娩出，20分钟后，产妇阴道开始多量流血，3小时内出血达500ml，血不凝，血压迅速下降。此时应首先考虑（）
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16.Read Passage 1 , and then answer Questions 16-20 briefly. Write your answers on the Answer Sheet.Passage 1Verbal skills in another culture can generally be mastered if one studies hard enough. But nonverbal skills are much more difficult to learn. Nonverbal behavior. includes areas such as eye contact , facial expressions , postures , gestures , and the use of time , space , and territory. The messages sent by body language and the way we arrange time and space have always been open to interpretation. Does a raised eyebrow mean that your boss doubts your statement or just that she is seriously considering it? Does a closed door to an office mean that your coworker is angry or just that he is working on a project that requires concentration? Deciphering nonverbal communication is difficult for people who are culturally similar , and it is even more troublesome when cultures differ.In Western cultures , for example , people perceive silence as negative. It suggests rejection , unhappiness , depression , regret , embarrassment , or ignorance. However , the Japanese admire silence and consider it a key to success. A Japanese proverb says , "Those who know do not speak; those who speak do not know." Over 60 percent of Japanese businesswomen said that they would prefer to marry silent men. Silence is equated with wisdom.16. According to the author , what does nonverbal communication include?17. What is the main idea of Paragraph One?18. "Those who know do not speak; those who speak do not know." What does this Japanese proverb imply?19. Understanding body language within the same culture group is very easy , is it?20. What does silence mean in Western cultures?
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无黏性土坡在自然稳定状态下的极限坡角，称为()。
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()基金是指基金本身为一家股份有限公司，主要通过发行股票、债券等来筹集资金。