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This method is gaining in popularity because of the lower cost and lower ecological impact compared to barrages.

在考生备考雅思阅读考试的时候，往往我们会去强调那些经典的老话题的重要性。

This method is gaining in popularity because of the lower cost and lower ecological impact compared to barrages.

但是，在如今这个改革创新成为潮流的时代环境下，考生要想取得满意的成绩，仅仅去关注老话题已经不能够保证考生取得自己满意的成绩了。

Results ①p53 positive expression rate in cervical carcinomas 85.71%( 30 /35) was significantly higher than that in normal cervixes 6.67%( 2 /30),P= 0.001.②p53 expression is correlated with the differentiation state and pathologic grades.The positive expression rate of p53 in the cervical carcinomas of grades Ⅰ 57.14%(8 /14) was significantly lower than that in the cervical carcinomas of grades Ⅱ 86.67%(13 /15) and grades Ⅲ 100.0%(6 /6),P＜0.05.③The positive rate of PCNA in the cervical carcinoma of grade Ⅰ 64.29% was signifi cantly lower than that in the grade Ⅱ 93.33% and grade Ⅲ 100.0%,P＜0.05.Conclusion Our data indicate that the alteration of p53 is involved in cervical carcinoma.

结果 ①P53蛋白在宫颈癌组织中的表达率为85.71%(30 /35)，明显高于在正常宫颈组织中的表达率6.67%( 2 /30)，P = 0.001；②P53蛋白阳性表达率与宫颈癌组织的病理学分级有关，P53在宫颈癌Ⅰ级中的阳性表达率57.14%（8 /14）明显低于Ⅱ级86.67%（13/15 和Ⅲ级100.0%(6/6)，P＜0.05；③宫颈癌组织PCNA阳性表达率Ⅰ级64.29％明显低于Ⅱ级93.33％和Ⅲ级100.0%，P＜0.05。

The results show that although both Ni substitution and Mg vacancies are effective in desorbing hydrogen at lower temperatures, the substitution of Ni at the Mg site is energetically more favorable than the formation of Mg vacancies. The Ni atoms of NiF2 can replace some Mg atoms of MgH2 systems, the reaction of NiF2+3MgH2=MgF2+Mg2NiH4 during mill process is accelerated, thus, MgH2 with the higher stability can be changed into Mg2NiH4. Because of a ternary hydride Mg2NiH4 with lower stability forming, the dehydrogenating properties on Ni doped MgH2 systems are improved.

结果表明：Ni替代Mg和创造Mg空位对MgH2体系解氢而言，均发挥有益作用，而形成Mg空位所需能量(6.51 eV)高于Ni替代Mg所需能量(2.12 eV)，表明低温下Ni替代Mg对MgH2体系解氢而言更有利，至此NiF2中的Ni替代MgH2中的Mg，有利于加速化学反应NiF2+3MgH2=MgF2+Mg2NiH4向右进行，使结构稳定的MgH2发生转变，生成结构不稳定的Mg2NiH4，这样体系解氢过程不是通过MgH2，而是转变为通过Mg2NiH4进行，因此，Ni掺杂提高了MgH2体系的解氢性能。

A special statistic characteristic of water after deluges is turbidity. Usually the turbidity will lower to 100NTU below after one or two days, but it will take around forty days to lower to 10NTU below.

研究结果显示，由於季节变化的不确定性，净水场原水水质会出现不同变化的特性，尤其暴雨造成骤增的浊度，虽在1-2日后，浊度降至一般处理范围（100NTU以下），但需再约40-50日，浊度才会降低至经济处理范围（10NTU以下）。

Evolution history of Jianghan Basin can be divided into Seven stages by sedimentary character since Cretaceous: uplifting and decomposing stage (lower-middle Cretaceous), whole downfaulting stage , regional subsiding stage , uplifting and decomposing stage , differential downfaulting , shinking-subsiding-uplifting and denudating , subsiding stage , differential elevating and subsiding-stabilizing stage (lower Pleistocene-early stage of middle Pleistocene), whole subsiding stage (middle stage of middle Pleistocene), shringking stage (upper Pleistocene-Holocene).

通过对江汉盆地白垩纪以来沉积特征的分析认为，江汉盆地的整体演化可以分成七个阶段，分别为：拱升张裂、整体断陷、区域坳陷、拱升张裂、分化断陷、萎缩坳陷—上升剥蚀、坳陷阶段、差异升降—稳定阶段（早更新世—中更新世早期）、整体坳陷阶段（中更新世中期—晚更新世）、萎缩阶段。

The total improved rate of the controls was 16.32%. Conclusions: Controlling dins is indeed quite effective in the controlling fatty liver. Taking foods with lower heat lower fat, higher vitamins and fibres can improve the liver functions, the results of blood-lipids the imagine state of the livers.

饮食对脂肪肝有确切疗效，低热能、低脂、高维生素、高膳食纤维持续的平衡膳食治疗即可达到治疗脂肪肝目的，并可明显改善肝功能、血脂及肝脏组织影像学结果。

Remove the seat wrench, hold the lower valve rod and pull up it vertical until disengages lower barrel

移开阀座扳手，用双手握住下阀杆垂直往上拉，直到整个脱离地下埋管为止。

He bid me observe it, and I should always find , that the calamities of life were shared among the upper and lower part of mankind; but that the middle station had the fewest disasters, and was not exposed, to so many vicissitudes as the higher or lower part of mankind; nay, they were not subjected to so many distempers and uneasiness either of body or mind, as those were who, by vicious living, luxury and extravagancies on one hand, or hard labour, want of necessaries, and mean or insufficient diet on the other hand, bring distempers upon themselves by the natural consequences of their way of living; that the middle station of life was calculated for all kind of virtues and all kinds of a middle fortune; that temperance, moderation, quietness, health, society, all agreeable diversions, and all desirable pleasures, were the blessing attending the middle station of life; that this way men went silently and smoothly through the world, and comfortably out of it, not embarrassed with the labour of the hands or of the head, not sold to the life of slavery for daily bread, or harassed with perplexed circumstances, which rob the soul of peace, and the body of rest; not enraged with the passion of envy, or secret burning lust of ambition for great things; but in easy circumstances sliding gently through the world, and sensibly tasting the sweets of living, without the bitter, feeling that they are happy, and learning by every day's experience to know it more sensibly.

他嘱咐我，只要用心观察，到处都可发现：生活的灾难是由上层和下层两类人分担，而中间阶层灾难最少，不会像那两类人那样，要经历那么多的荣辱变迁，商海浮沉。中间阶层也绝不会像阔佬那样，因骄奢淫逸、挥霍无度而狂躁不安、身心俱损；也不会像穷人那样，因劳累辛苦、缺吃少穿，以及这种穷苦生活自然而然带来的种种后果而焦急不安、忧心忡忡。他说，中等生活最能保持各种美德和一切正常而适中的享受，中等人的生活经常是安定富足的。他说，和睦和富裕是中产阶层的随身伴侣。他说，和善、谦虚、宁静、健康、社交、各种正当的娱乐、各种有益的消遣，都是降临到中等人头上的福份。他们就这样默默地、但又是顺利地、当然也是舒服地走过人生的旅途，不受劳力和劳心之苦，也不必为每天的面包而卖身为奴，或被困境搞得身心疲惫；也不会因心怀嫉妒和好大喜功而野心勃勃、贪婪无度，而是在轻松的环境下平静地度过一生，有意识地品尝着生活的甜美，没有痛苦，只感到幸福，并且通过日益增多的经验，越来越有意识地去学会品尝和感受幸福。

He bid me observe it, and I should always find, that the Calamitles of Life were shared among the upper and lower Part of Mankind; but that the middle Station had the fewest Disasters, and was not exposd to so many Vicisitudes as the higher or lower Part of Mankind; nay, they were not subjected to so many Distempers and Uneasiness either of Body or Mind, as those were who, by vicious Living, Luxury and Extravagancies on one Hand, or by hard Labour, Want of Necessaries, and mean or insufficient Diet on the other Hand, bring Distempers upon themselves by the natural Consequences of their Way of Living; That the middle Station of Life was calculated for, all kind of Vertues and all kinds of Enjoyments; that Peace and Plenty were the Hand-maids of a middle Fortune; that Temperance, Moderation, Quietness, Health, Society, all agreeable Diversions, and all desirable Pleasures, were the Blessings attending the middle Station of Life; that this Way Men went silently and smoothly thro the World, and comfortably out of it, not embarassd with the Labours of the Hands or of the Head, not sold to the Life of Slavery for daily Bread, or harrast with perplexd Circumstances, which rob the Soul of Peace, and the Body of Rest; not enragd with the Passion of Envy, or secret burning Lust of Ambition for great things; but in easy Circumstances sliding gently thro the World, and sensibly tasting the Sweets of living, without the bitter, feeling that they are happy, and learning by every Days Experience to know it more sensibly.

他说，我自己可以从下面的事实中认识到，中间地位的生活确实幸福无比；这就是，人人羡慕这种地位，许多帝王都感叹其高贵的出身给他们带来的不幸后果，恨不得自己出生于贫贱与高贵之间的中间阶层。明智的人也证明，中间阶层的人能获得真正的幸福。《圣经》中的智者也曾祈祷：&使我既不贫穷，也不富裕。&他提醒我，只要用心观察，就会发现上层社会和下层社会的人都多灾多难，唯中间阶层灾祸最少。中间阶层的生活，不会像上层社会和下层社会的人那样盛衰荣辱，瞬息万变。而且，中间地位不会像阔佬那样因挥霍无度、腐化堕落而弄得身心俱病；也不会像穷人那样因终日操劳、缺吃少穿而搞得憔悴不堪。唯有中间地位的人可享尽人间的幸福和安乐。中等人常年过着安定富足的生活。适可而止，中庸克己，健康安宁，交友娱乐，以及生活中的种种乐趣，都是中等人的福份。这种生活方式，使人平静安乐，怡然自得地过完一辈子，不受劳心劳力之苦。他们既不必为每日生计劳作，或为窘境所迫，以至伤身烦神；也不会因妒火攻心，或利欲薰心而狂躁不安。中间阶层的人可以平静地度过一生，尽情地体味人生的甜美，没有任何艰难困苦；他们感到幸福，并随着时日的过去，越来越深刻地体会到这种幸福。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。