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A3/A4型题男，45岁，酗酒后8h出现中上腹疼痛，放射至两侧腰部件恶心、呕吐。体检腹部有压痛、肌紧张及两侧腰腹部出现蓝棕色斑，血压75/55mmHg，脉搏110/min。 对诊断困难者应进一步采取（）.
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A3/A4型题某女性，纺织女工，年龄35岁。在某纺织厂从事纺纱和织布工作已10年以上。近来主诉耳鸣、听力下降等症状，到医院就诊。 应做何种检查（）.
[案例三]背景某水利水电工程施工企业在对公司各项目经理部进行安全生产检查时发现如下情况：事件1：公司第一项目经理部承建的某泵站工地，夜间进行泵房模板安装作业时，由于部分照明灯损坏，安全员又不在现场，一木工身体状况不佳，不慎从12m高的脚手架上踩空直接坠地死亡。事件2：公司第二项目经理部承建的某引水渠道工程，该工程施工需进行浅孔爆破。现场一仓库内存放有炸药、柴油、劳保用品和零星建筑材料，门上设有“仓库重地、闲人免进”的警示标志。事件3：公司第三项目经理部承建的某中型水闸工程，由于工程规模不大，项目部未设立安全生产管理机构，仅由各生产班组组长兼任安全生产管理员，具体负责施工现场的安全生产管理工作。[问题] 指出情况2中炸药、柴油存放的不妥之处，并说明理由。
The favorite food in the United States is hamburger. The favorite place to buy a hamburger is a fast food restaurant. At a fast food restaurant, people order their food, wait a few minutes, and carry it to their tables themselves. People also take their food out of the restaurant and eat it in their cars or in their homes. At some fast food restaurants, people can order their food, pay for it and pick it up without leaving their cars. There are many kinds of fast food restaurants in the United States. The greatest in number sell hamburgers, French fries and so on. They are popular food among Americans. Besides, Italian food, chicken, seafood and ice-cream are very popular, too. The idea of a fast food restaurant is so popular that nearly every kind of food can be found in one. Fast food restaurants are popular because they reflect American life style. Customers can wear any type of dress when they go to a fast food place. Second, they are fast. People who are busy do not want to spend time preparing their own food or waiting while someone prepares it. In fast food restaurants the food is usually ready before the customer even orders it. Finally most food in a fast food restaurant is not expensive. Therefore people are able to buy and eat at a fast food restaurant often, while they may not be able to go to a more expensive restaurant very often. Seafood and ice-cream are served at all fast food restaurants, aren’t they
A3/A4型题女性，56岁，诊断肺心病3年，2d前受凉后发热、咳嗽，咳痰加重，咳黄痰，呼吸困难不能平卧。查体明显发绀，颈静脉怒张，双肺广泛散在干湿性啰音，心率110/min，三尖瓣区可闻及收缩期杂音，肝肋下3cm，下肢水肿。 该患者最重要的治疗措施是（）.
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