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当前学科：一、总论
题目：
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临床常见的潜伏性感染有（）
A . 单纯疱疹
B . 带状疱疹
C . 疟疾
D . 结核病
E . 乙型病毒性肝炎
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对不可修复的家用电器，其购买时间在在（）的，按原购货发票价，供电企业全额予以赔偿。
Camping Camping wild is a wonderful way to experience the natural world and， at its best， it makes little environmental influence. But with increasing numbers of people wanting to escape into the wilderness， it is becoming more and more important to camp unobtrusively （不引人注目地） and leave no mark. Wild camping is not permitted in many places， particularly in crowded lowland Britain. Wherever you are， find out about organizations responsible for managing wild spaces， and contact them to find out their policy on camping and shelter building. For example， it is fine to camp wild in remote parts of Scotland， but in England you must ask the landowner's permission， except in national parks. Camping is about having relaxation， sleeping outdoors， experiencing bad weather， and making do without modern conveniences. A busy， fully-equipped campsite （野营地） seems to go against this， so seek out smaller， more remote places with easy access to open spaces and perhaps beaches. Better still， find a campsite with no road access： walking in makes a real adventure. Finding the right spot to camp is the first step to guaranteeing a good night's sleep. Choose a campsite with privacy and minimum influence on others and the environment. Try to use an area where people have obviously camped before rather than creating a new spot. When camping in woodland， a void standing dead trees， which may fall on a windy night. Avoid animal runs and caves， and possible homes of biting insects. Make sure you have most protection on the windward side. If you make a fire， do so downwind of your shelter， always consider what influence you might have on the natural world. Avoid damaging plants. A good campsite is found， not made — changing it should be unnecessary. Camping wild is a wonderful way to experience the natural world.（） Wild camping is always permitted in many places.（） Wild camping is always permitted in many places.（） It is becoming more and more important to camp unobtrusively and leave no mark.（） Wherever you are， you don't have to know about the local policy on camping and shelter building（） In England you must ask the landowner's permission for camping， except in national parks.（） Camping is relaxation with the help of modern conveniences.（） Finding a campsite with no road access is better still.（） Finding the right spot to camp is the first step to guaranteeing a good night's sleep.（） Animal runs，caves and homes of biting insects are best places for camping.（） ometimes you need to make electricity.（）
刚性最大的轧机是（）。
氨吸收式制冷装置中，氨精馏塔顶部设有回流冷凝器，为了确保气氨浓度不低于99.8%，需将塔底气氨的（）控制好。
在什么情况下应采用辅助施工方法？
合成肽的起始密码子是（）。
中和剂
施工企业经营租赁设备比购买设备的优越性有()。
间接性导语
我国西南地区某地级市，其南部为丘陵，北部为山区，山区经济以农林为主。受地形条件影响，城镇主要集中在南部和中部地带，市域城镇化水平在35%左右，市域内现有大城市1个，县城6个，其他建制镇34个，规划为求市域内城镇均衡发展，在北部地区新设3个镇，市域交通规模基本符合发展要求。其规划示意图如图2-12所示。试结合现状和规划示意图，指出该市在城镇等级布局和主要交通线路规划中存在的主要问题，并简要说明理由。