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Passage1Teaching children to read well from the start is the most important task of elementary schools.But relying on educators to approach this task correctly can be a great mistake. Many schools continue to employ instructional methods that have been proven inefective. The staying power of the "look-say"or "whole-word"method of teaching beginning reading is perhaps the most flagrant example of this failure to instruct effectively.The whole-word approach to reading stresses the meaning of words over the meaning of letters, thinking over decoding, developing a sight vocabulary of familiar words over developing the ability to unlock the pronunciation of unfamiliar words. It fits in with the self-directed," learning how to learn" activities recommended by advocates of "open" classrooms and with the concept that children have to be developmentally ready to begin reading. Before 1963, no major publisher put out anything but these" Run-Spot-Run" readers.However, in 1955, Rudolf Flesch touched off what has been called "the great debate"in beginning reading. In his best-seller Why Johnny Can't Read, Flesch indicted the nation's public schools for miseducating students by using the look-say method. He said-and more scholarly studies by Jeane Chall and Rovert Dyksta later confirmed-that another approach to beginning reading, founded on phonics, is far superior.Systematic phonics first teaches children to associate letters and letter combinations with sounds; it then teaches them how to blend these sounds together to make words. Rather than building up a relatively limited vocabulary of memorized words, it imparts a code by which the pronunciations of the vast majority of the most common words in the English language can be learned. Phonics does not devalue the importance of thinking about the meaning of words and sentences; it simply recognizes that decoding is the logical and necessary first step.One major difference between the "look-say"method of learning reading and the phonics method is________
(13年4月真题)根据《服务贸易总协定》，下列有关最惠国待遇义务表述正确的有 ( )
下列各项，不属头汗临床意义的是（）
（）协议基于SPF算法，以寻找到目标的最佳路径。
化脓性骨髓炎是指什么组织的化脓性感染（）
者男性，55岁，主因“阴茎癌术后1年，发现左腹股沟区肿物1个月”就诊。患者1年前发现阴茎肿物，行阴茎部分切除术，术后病理检查考虑为阴茎癌，具体不详。术后1个月行双侧腹股沟区手术，未发现转移。1个月前患者复查发现左腹股沟区肿物。查体：阴茎部分切除术后改变，局部未见明显肿物，双侧腹股沟区分别可见一约3cm切口瘢痕，左腹股沟区可及2cm大小肿物，活动度尚可，右侧腹股沟区未及肿物。 进一步较为恰当的处理措施是（）【提示】该患者行双侧腹股沟淋巴结活检术，术中冰冻病理报告：双侧肿大淋巴结均考虑为鳞状细胞癌转移，即行双侧腹股沟淋巴结清扫术。术后病理报告：左腹股沟3/8淋巴结可见鳞状细胞癌转移，右侧1/7淋巴结可见转移。
妊娠肝内胆汁淤积综合征（）
下列哪项不是喘证的成因（）
[复合型非选择题]男性，60岁，午休后自觉眩晕，伴呕吐，继之饮水呛咳吞咽困难，查体：双眼可见水平眼震，右侧Horner征，右侧肢体肌力Ⅲ级，左侧Ⅴ级，左侧痛温觉减退，右侧指鼻试验欠稳准。此病变部位（）
男性，62岁，糖尿病史8年，高血压多年，3天前出现左眼视力下降，眼底检查见左眼视乳头边界模糊，动脉细，反光强，静脉充盈，后极部网膜有点、片状出血及微动脉瘤，有硬性渗出。 此病可能性最大的诊断是（）
开启苛性碱桶时应注意哪些问题？
开启苛性碱桶及溶解苛性碱，均需戴粗布手套、口罩和眼镜并使用专用工具。
开启苛性碱桶及溶解苛性碱，均需戴粗布手套，口罩和眼镜并使用专用工具
开启苛性碱桶及溶解苛性碱，均需戴粗布手套、口罩和眼镜并使用专用工具。
苛性碱度
容易侵蚀玻璃而影响试剂纯度的，如氢氟酸、含氟盐（），苛性碱（）等，应保存在塑料瓶中。
某合金元素力学性能良好，尤其塑性、韧性优良，能适应多种腐蚀环境，多用于制造化工容器、电气与电子部件、苛性碱处理设备、耐海水腐蚀设备和换热器等。此种合金元素为（）...
搬运密封的浓酸或浓苛性碱溶液的坛子时，应将坛子放在牢固的木箱或框篮内（口朝上），并用软物塞紧。木箱或框篮上应有牢固的把手，由二人搬一个坛子，不准由一人单独搬。用...
写出硫酸、硝酸、苛性碱、苏打、食盐的分子式？
搬运密封的浓酸或浓苛性碱溶液的坛子时，应将坛子放在牢固的木箱或框篮内（口朝上），并用软物塞紧。木箱或框篮上应有牢固的把手，由二人搬一个坛子，不准由一人单独搬。用...