题目内容
女性，21岁学生，不慎溺水后2小时出现呼吸困难急诊入院。查体：BP90/60mmHg、R40,/分、P120/分。烦躁不安，唇发绀，双肺可闻及湿哕音，胸片示双肺呈大片状浸润阴影。 为明确诊断，该患者首选的检查是
查看答案
搜索结果不匹配？点我反馈
更多问题
The basic function of money is the enable buying to be separated from selling, thus permitting trade to take place without the so-called double coincidence of barter. If a person has something to sell and wants something else (1) return, it is not necessary to search for someone able and (2) to make the desired exchange of items. The person can sell the (3) item for general purchasing power-that is, "money"-to anyone who wants to buy it and then use the proceeds to buy the desired item from anyone who wants to sell it. The importance of this function of money is (4) illustrated by the experience of Germany just after World War II, (5) paper money was (6) largely useless because, despite inflationary conditions, price controls were effectively (7) by the American, French, and British armies of occupation. People had to (8) to barter or to inefficient money substitutes. The result was to cut total output of the economy in half. The German "economic miracle" just after 1948 reflected partly a currency reform by the occupation authorities, (9) some economists hold that it stemmed primarily from the German government’s (10) of all price controls, (11) . permitting a money economy to (12) a barter economy. (13) of the act of sale from the act of purchase (14) the existence of something that will be generally accepted in payment-this is the " (15) of exchange" function of money. But there must also be something that can serve as a (16) abode of purchasing power, in which the seller holds the proceeds in the interim (17) the first sale and the (18) purchase, or from which the buyer can (19) the general purchasing power with which to pay (20) what is bought. This is the "asset" function of money. 5（）
大肠杆菌色氨酸操纵子在环境中存在色氨酸时
男性，45岁，36小时前施工时右下肢被石板砸伤，X光摄片，未见骨折，行清创缝合。现突然出现烦躁不安，伴恐惧感，大汗淋漓，自述右下肢伤处疼痛加重，胀裂感。体温38.5℃，脉搏128/分，血压146/92mmHg，右小腿肿胀明显，大量浆液血性渗出物自切口渗出，皮肤表面呈大理石样花纹，渗出物有恶臭味。 治疗上不恰当的是
男性，40岁，中上腹饥饿性隐痛反复发作10年，伴反酸、嗳气，进食和服用抑酸剂可缓解。 如进行腹部检查，最具诊断价值的体征是
微信支付 
支付宝支付