国家机关及其工作人员违反国家有关账户管理规定，擅自在金融机构开立、使用账户的，除按规

下列反应的离子方程式书写正确的是（   ）

A．将Al条投人NaOH溶液中：Al+OH^-+H₂O=AlO₂^-+H₂↑

B．铜溶于稀硝酸中：Cu+4H⁺+2NO₃^-=Cu²⁺+2NO₂↑+2H₂O

C．碳酸氢钙溶液中加入过量的氢氧化钠溶液：HCO₃^-+OH^-=CO₃^2-+H₂O

D．向碳酸钠溶液中逐滴加入与之等体积等物质的量浓度的稀醋酸： CO₃^2-+CH₃COOH=CH₃COO^-+HCO₃^-

男，40岁，因躯干、双下肢汽油火焰烧伤2h入院，烧伤面积为60%，其中深二度20%，三度40%，入院后立即给予补液及应用广谱抗生素预防感染治疗。入院第3天行手术切痂自体微粒皮加大张异体皮移植术。术后因患者发热，给予持续大剂量广谱抗生素以控制感染，术后第8d，病人突然高热，寒战，体温高达40℃，出现神志淡漠，嗜睡及休克，白细胞计数25×10⁹/L。

为明确病因最好进行（）

A.做生化检查及血气分析

B.抽血做真菌检查及培养

C.胸部X线片

D.抽骨髓做细菌培养

E.创面分泌物做细菌培养

调查食物中毒时，只要调查明确的中毒患者即可。( )

基础代谢率

For centuries people have been fighting over whether governments should allow trade between countries. There have been, and probably always will be, (1) to the argument. Some people argue that just (2) is best for both the country and the world. Others argue that trade with other countries (3) for some people to make a good living. Both sides are at least (4) .
International trade matters a lot. Its effects on (5) are enormous. Imagine a world in which your country (6) at all with other countries. Imagine what kind of job you would be (7) and what goods you could buy or not buy in such a world.
For the United States, for example, start by imagining that it lived without its (8) a year in imported oil, and cut back on its (9) because the remaining domestic oil and other energy sources were (10) . Producers and consumers in other parts of the economy would (11) if they were suddenly stripped of foreign-made goods like CD players and clothing. On the (12) side, suppose that Boeing could sell airplanes, and farmers could sell their crops, (13) the United States, and that U. S. universities could admit only (14) . In each case there are people who gain and people who lose from (15) international trade. In any case, less or more international trade will have (16) on your career as well as your life.
For years, American companies are often faced with the choice of buying (17) , which are expensive, and foreign-made goods, which are cheap. If the company buys American goods, it may (18) taxpayers by failing to keep prices low. But if it buys foreign goods, it may (19) the jobs of American workers. Recently, Congress has passed a law compelling American companies with government contracts to (20) domestic goods and services.

For centuries people have been fighting over whether governments should allow trade between countries. There have been, and probably always will be, (1) to the argument. Some people argue that just (2) is best for both the country and the world. Others argue that trade with other countries (3) for some people to make a good living. Both sides are at least (4) .
International trade matters a lot. Its effects on (5) are enormous. Imagine a world in which your country (6) at all with other countries. Imagine what kind of job you would be (7) and what goods you could buy or not buy in such a world.
For the United States, for example, start by imagining that it lived without its (8) a year in imported oil, and cut back on its (9) because the remaining domestic oil and other energy sources were (10) . Producers and consumers in other parts of the economy would (11) if they were suddenly stripped of foreign-made goods like CD players and clothing. On the (12) side, suppose that Boeing could sell airplanes, and farmers could sell their crops, (13) the United States, and that U. S. universities could admit only (14) . In each case there are people who gain and people who lose from (15) international trade. In any case, less or more international trade will have (16) on your career as well as your life.
For years, American companies are often faced with the choice of buying (17) , which are expensive, and foreign-made goods, which are cheap. If the company buys American goods, it may (18) taxpayers by failing to keep prices low. But if it buys foreign goods, it may (19) the jobs of American workers. Recently, Congress has passed a law compelling American companies with government contracts to (20) domestic goods and services.