某公司销售数据库的商品、仓库关系模式及函数依赖集F1、F2如下：
商品（商品号，商品名称，生产商，单价），F1=商品号→商品名称，商品号→生产商，商品号→单价，商品关系的主键是（）。仓库（仓库号，地址，电话，商品号，库存量），F2=仓库号→（地址，电话），（仓库号，商品号）→库存量。仓库关系的主键是（），外键是（）。
仓库关系模式（），为了解决这一问题，需要将仓库关系分解为（）。
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each officer found some mushrooms on his plate. "Let the dog {{U}} (39) {{/U}} a piece first , "suggested one {{U}} (40) {{/U}} officer then began to eat their meal, saying that the mushrooms had who was afraid that the mushroons {{U}} (41) {{/U}}be poisonous. The dog seemed to {{U}} (42) {{/U}} his mushroom and the officers a very strange {{U}} (43) {{/U}} quite pleasant taste. An hour {{U}} (44) {{/U}},however, they were all astonished {{U}} (45) {{/U}} the gardener rushed in and said {{U}} (46) {{/U}} that the dog was dead. {{U}} ( A. Immediately B. Carefully C. Suddenly D. Slowly [判断题]异地建筑施工及安装单位开立的临时存款账户名称可以为建筑施工及安装单位名称后加项目部名称，且临时存款账户的预留签章应与项目部的账户名称一致。
A.正确 B.错误 [判断题]7.9. 雷电的电流幅值可达数百千安。
A.正确 B.错误 [判断题]桶料时，不必先切断电源，人应站在观察孔侧面桶料，防止掉入粉碎机内，使用撬辊时，撬辊要抓牢.防止伤人。（）
A.正确 B.错误 [单选题]. 危化品运输车灾害事故中,如现场不具备倒罐输转条件,在冷却降温、稀释抑爆的基础上,可以采取气相或液相直接放空,消除危险源恢复交通。如在丘陵峡谷地带、盘山公路、桥梁涵洞,或下风方向()米范围内有隧道和村庄的地方,需评估论证谨慎对待。
A. . 680 B. . 385 C. . 200 D. . 500 [填空题]保守国家秘密是我国公民的一项( )。
[多选题]反应加热炉BA-101、BA-102炉管破裂处理步骤
A.中控室用21bar/min正线手动泄压,当压力泄至7bar时,打开现场21bar/min付线阀,继续泄压. B.BA-101~BA-105关闭大小火嘴阀门。炉子熄火 C.FG进界区阀门关,FA-2112D向火炬系统排放,泄压 D.打开消防蒸汽向BA-101～BA-105炉膛内吹扫，灭火。 [判断题]运行中水泵发生汽化是造成电流表摆动、流量表摆动的唯一原因？
A.正确 B.错误 [判断题]( ) BI004 胜利油田标准RTU DI7接变频信号。
A.正确 B.错误 [单选题]男,50岁。突发眼底出血1小时。高血压病史10年,规律服用降压药1年,平时血压140/95~100mmHg。查体:BP210/120mmHg,结膜无出血、充血,双肺呼吸音清,心率90次/分,律齐,双下肢无水肿。治疗宜首选(0.1)
A. 肌肉0.00注射利血平 B. 口服美托洛尔 C. 口服卡托普利 D. 口服氨氯地平 E. 静脉滴注硝普钠 我来回答: 提交
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