-
X线通过人体后在胶片上产生潜影、经过（）、（）和（）等手续后。在胶片上形成不同灰度的黑白影像.称为X线摄影。
-
电气设备救火对带电设备应使用泡沫灭火器、二氧化碳灭火器。
-
旅游需求的（）构成了旅游市场的复杂性。
-
渗透固结
-
“长白雄东北，嵯峨俯塞州。迥临沧海曙，独峙大荒秋。”这首《长白山》的作者吴兆骞是（）诗人。
-
本国证券商申请兼营期货业务要件之一，必须其分支机构最近几年未受撤销设立许可之处分者：（）
-
In every cultivated language, there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words（1）which we become acquainted in daily conversation, which we（2）,that is to say, from the（3） of our own family and from our familiar associates, and（4） we should know and use （5 ）we could not read or write. They （6） the common things of life, and are the stock in trade of all who （7） the language. Such words may be called“popular”, since they belong to the people （8） and are not the exclusive （9） of a limited class. On the other hand, our language （10） a multitude of words which are comparatively （11） used in ordinary conversation. Their meanings are known to every educated person, but there is little （12） to use them at home or in the market-place. Our （13） acquaintance with them comes not from our mother's （14） or from the talk of our school-mates, （15） from books that we read, lectures that we （16） ,or the more （17）conversation of highly educated speakers who are discussing some particular （18） n a style appropriately elevated above the habitual（19） f everyday life. Such words are called“learned”, and the （20） between them and the“popular”words is of great importance to a right understanding of linguistic process. 请在9处填上正确答案（）
-
按《广东电网公司设备缺陷管理规定》，按季度统计的配电主设备缺陷中应包含以下（）等设备。
-
断路器的分闸时间一般为（）。
-
肝硬化食管胃底静脉曲张破裂出血的首选治疗方法是（）