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Some kids had it worse—they had no boards to block out the wind and rain. Every night they slept unsheltered in the open street. Whenever it started to rain, they'd have to search frantically for a place to take cover, and on a bad night, they might not find one where they wouldn't be driven away.

可是我们已经是幸运的了，有的小孩子更可怜，他们没有木板可以挡掉一部分的风雨，每天晚上完全露宿街头，一下雨，就要四处找一个地方躲雨，弄得不好，还会被人赶。

Forthis film, those 2-D images have been converted into 3-D environments,giving the audience the impression they are space travelers taking atour of Hubble's most popular targets.

对于这部影片，这些二维图像已被转换成3 - D环境，给观众的印象，他们是太空旅行者采取目标参观哈勃最流行的。

They include cerebellum,cerebral cortex,hypothalamus, mesencephalon, and pons.A few of positive cells could be seen in the medulla oblongata. NADPH-d positive neurons appears blue.Their shapes were diversform such as polygon,fusiform,nummular and oval etc. Karyon hasn't pigmentation. Dendriate and axon's pigmentation are clear.

实验一利用NADPH-d酶组织化学技术，对NOS阳性神经元在兔脑的总体分布规律及其衰老性变化进行了系统研究，结果表明：①NADPH-d阳性神经元分布于兔脑各个部位，几乎涉及所有区域：包括小脑、大脑皮质、丘脑下部、中脑、脑桥和小脑，而延髓分布较少。

When the ground was harrowed, glass and other debris would surface; a contemporary observer, John Orchard, later remembered:"they'd line up a whole group of people, perhaps thirty or forty players, and we'd go along with a container alongside each other and we'd pick up everything that was likely to hurt a player."

翻过地后，碎玻璃和瓦砾露在地上；当代观察家约翰·奥查德后来回忆：&他们站成一排，大约三四十个运动员，我们一个挨一个，手拿一个箱子向前走，把凡是可能伤害到运动员的东西都捡起来。&

Results show that microbial biomass carbon and microbial biomass nitrogen in fertilized soil peak in the first several days, and then decline. Intercropping Incubating both sweet maize straw and white clover have the highest yield, maxima of 529.57 mg·kg-1 and 75.50 mg·kg-1 respectively. They also release the most respired CO2 the most among all treated soils. The best mineral nitrogen release is in white clover intercroppingincubating, with a maximum of 29.81 mg·kg-1 under a 26-day culture, and then keeping 1.60 times the control and reaching 2.48 times at 80-day culture. Sweet maize incubatingintercropping has the least mineral nitrogen release. It is 13%~53% of the control under a 26-day culture, with a maximum of 7.51 mg·kg-1. Soil nitrogen mineralizatiomineralization is insignificant under sweet maize incubatingintercropping with urea in short-term.

研究发现，各施肥处理的土壤微生物量碳、微生物量氮均在培养前期出现峰值，后期平稳降低；甜玉米秸秆和白三叶草绿肥同时还田的土壤微生物量碳、微生物量氮在各培养时期均最大，峰值分别达529.57 mg·kg-1和75.50 mg·kg-1，土壤呼吸产生的CO2最多；白三叶草绿肥单独还田有利于土壤无机氮的释放，培养第26 d 无机氮达到最大值，为29.81 mg·kg-1，之后一直在对照处理的1.60倍以上，第80 d达到2.48倍；甜玉米秸秆单独还田不利于土壤无机氮的释放，培养的第26 d至结束，甜玉米秸秆处理的无机氮为对照的13%～53%，最大为7.51 mg·kg-1；甜玉米秸秆配施尿素，短期内不利于土壤无机氮矿化。

Two days after bone marrow MSCs compounded to nano-CS/COL scaffold, bone marrow MSCs presented globular shape and were scattered; Four days later, bone marrow MSCs presented shuttle shape, extended and anchored on the surface of nano-CS/COL by pseudopods; Eight days later, bone marrow MSCs proliferated and fused each other, and they secreted a lot of extracellular matrix, then which covered most material particles.

骨髓基质干细胞复合到纳米壳聚糖-胶原纤维支架后2 d，细胞呈球形散在分布；4 d 后细胞呈梭形，延展爬行且有伪足与材料表面锚靠；8 d 时细胞增殖，相互间融合，并有大量的细胞外基质分泌，大部分材料颗粒被覆盖。

Methods 59 enrolled outpatients with asthma were asked to self-administer the CES-D (center for epidemiologic studies-depression) scale,ACT scale and the quality of life questionnaire respectively.All the patients were educated and treated by health care professionals under the guidance of GINA 2004.After average of 2.5 months ± 15 days,they were asked to self-administer all the scales and questionnaire mentioned above once again on return visit.

对入选调查的59例门诊哮喘患者要求同时填写CES-D量表、ACT量表和生存质量量表，在健康教育指导下规范治疗后复诊并再次填写上述量表，对前后两次所得量表的数据以CES-D得分按有否抑郁情绪排序进行统计学处理。

The results showed that among three regulator combinations (2, 4-D KT and IBA), 2, 4-D2~3 mgL^(-1 treatment was the best with the highest callus induction rate, most of the explants induced callus and grew well. 2, 4-D2mgL^(-1+KT0.5mgL^(-1 treatment could induce callus from stem parts while the callus induced from the stem top was water-soaked and easy to be brown stained. KT4mgL^(-1 treatment could induce callus on some stems but was easy to be brown stained. KT4mgL^(-+IBA0.5mgL^(-1 treatment could induce callus but they grew very slowly.

试验结果表明：在3种生长调节剂(2， 4-D、KT、IBA)的组合中，以2，4-D2~3mgL^(-1效果最好，愈伤组织的诱导率最高，大部分外植体都能诱导出愈伤组织，生长良好；2，4-D 2mgL^(-1)+KT0.5mgL^(-1)能使部分茎段诱导出愈伤组织，而茎尖诱导的愈伤组织水渍化，易褐变；KT 4mgL^(-1)能使个别茎段有愈伤组织产生，但易褐化；KT 4mgL^(-1)+IBA 0.5mgL^(-1)能诱导出愈伤组织，但生长缓慢。

Groundbreaking research by two french geophysicists promises to shed some light on the mystery.using 80 metres of deep sea sediment core, they have obtained measurements lots of magneticfield intensity that span 11 polarity reversals and four million years.the analysis reveals that intensity appears to fluctuate with a clear, welldefined rhythm.although the strength of the magnetic field varies irregularly during the short term, there seems to be an inevitable longterm decline preceding each polarity reversal.when the poles flip―a process that takes several hundred thousand years―the magnetic field rapidly regains its strength and the cycle is repeated.

答案为d。这一题目是根据上下文判断词意的题。flip的意思是&快速翻转&，它所在的句子的意思是&当两极互换――这一过程需要上万年的时间――磁场会很快重新恢复它的强度，新的一轮循环又开始了。&因此在四个选项中： a.decline的意思是&拒绝；变小、变弱&，b.intensify的意思是&变得更强烈、加剧&，c.fluctuate的意思是&涨落、波动&；d.reverse的意思是&使反转、倒退、颠倒&，例如：writing is reversed in a mirror。写出来的字在镜子里是颠倒的。d的意思与flip最接近。

They confirm what a number of itamin D proponents hae suspected for some time but that, until now, hae not been substantiated through clinical trial," said principal inestigator Joan Lappe, Ph.D., R.N., Creighton professor of medicine and holder of the Criss/Beirne Endowed Chair in the School of Nursing."

它们解开了许多维生素D支持者曾经对其产生的怀疑，直到现在，其效果终于得到了临床验证，&该研究的首席研究员Joan Lappe博士说。他是Creighton的医学教授、护理学院Criss/Beirne资助教授的获得者。&

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。