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Passage 2It's no surprise that Jennifer Senior's insightful, provocative magazine cover story,"I love My Children,I Hate My Life", is arousing much chatter-nothing gets people talking like the suggestion that child rearing is anything less than a completely fulfilling, life-enriching experience. Rather than concluding that children make parents either happy or miserable, Senior suggests we need to redefine happiness: instead of thinking of it as something that can be measured by moment-to-moment joy, we should consider being happy as a past-tense condition. Even though the day-to-day experience of raising kids can be soul-crushingly hard, Senior writes that "the very things that in the moment dampen our moods can later be sources of intense gratification and delight."The magazine cover showing an attractive mother holding a cute baby is hardly the only Madonna-and-child image on newsstands this week. There are also stories about newly adoptive-and newly single-mom Sandra Bullock, as well as the usual "Jennifer Aniston is pregnant" news. Practically every week features at least one celebrity mom, or mom-to-be, smiling on the newsstands.In a society that so persistently celebrates procreation, is it any wonder that admitting you regret having children is equivalent to admitting you support kitten-killing? It doesn't seem quite fair, then, to compare the regrets of parents to the regrets of the childless. Unhappy parents rarely are provoked to wonder if they shouldn't have had kids, but unhappy childless folks are bothered with the message that children are the single most important thing in the world: obviously their misery must be a direct result of the gaping baby-size holes in their lives.Of course, the image of parenthood that celebrity magazines like Us Weekly and People present is hugely unrealistic, especially when the parents are single mothers like Bullock. According to several studies concluding that parents are less happy than childless couples, single parents are the least happy of all. No shock there, considering how much work it is to raise a kid without a partner to lean on; yet to hear Sandra and Britney tell it, raising a kid on their "own"(read: with round-the-clock help) is a piece of cake.It's hard to imagine that many people are dumb enough to want children just because Reese and Angelina make it look so glamorous: most adults understand that a baby is not a haircut. But it's interesting to wonder if the images we see every week of stress-free, happiness-enhancing parenthood aren't in some small, subconscious way contributing to our own dissatisfactions with the actual experience, in the same way that a small part of us hoped getting "the Rachel" might make us look just a little bit like Jennifer Aniston.We learn from Paragraph 2 that________.
有关骨肉瘤的X线表现以下哪项是错误的（）
开通手机银行需要（）。
一种商用车所装发动机参数为150kw/3800r/min，动力性较差，故将发动机换成200kw/4000r/min，发现最高车速相差不大，但加速能力得到较大提高，分析原因。
目前，可进行跨市场转托管的债券是（ ）。①附息国债②公司债③企业债④地方债
女性，65岁，因不洁饮食，呕吐、腹泻、脓血便，里急后重，庆大霉素16万U／d，第3天时尿量600ml／L，BUN轻度升高，Scr正常，尿pH6．0，第5天时尿量200ml／d，Ser860μmol／L，BUN31．2mmol／L，血钾6．80mmol／L，尿pH6．2，进行血液透析治疗，维持透析5个月时尿量100ml／d，Ser1000μmol／L，Bun36．4mmol／L．病程在第3天时尿沉渣中增多明显的项目是（）
当信号集中监测系统站机浏览某项监测信息后，在报表浏览记录中对应项目将被打钩记录。
转辙机机壳侧面的两端与直股基本轨垂直距离的偏差≤5mm
移位接触器的作用是监督主、副销良好，当主、副销折断时，切断道岔表示。
患者女性，46岁，癫痫起病，影像学发现右侧岛叶病变，于2009年手术治疗，手术部分切除肿瘤，病理报告：少突胶质细胞瘤，未做其他辅助治疗。2012年因肿瘤进展再次就诊于神经外科，接诊医生建议患者接受了伽马刀治疗。2014年，患者癫痫症状难以控制，肿瘤仍局限于岛叶，但体积增大并显示斑片样不均匀强化，PET-CT显示病灶蛋氨酸高代谢及局灶FDG高代谢，更换医院再次就诊。此次经原入路手术，肿瘤获得影像学全切，神经功能完整。第二次手术后病理报告：间变性少突胶质细胞瘤。 回顾此患者在诊治过程中所接受诊治措施，最不推荐的是（）
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SS9机车由于采用了无接点逻辑控制，取消了传统机车上采用的（）。
SS9机车由于采用了无接点逻辑控制，取消了传统机车上采用的（）。