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当前学科：磁共振成像MRI医师综合练习
题目：
单选
以下哪一项不是眼球钙化的常见原因（）
A . 视网膜母细胞瘤
B . 视神经小疣
C . 脉络膜骨瘤
D . 眼球痨
E . 黑色素瘤
答案：
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推荐知识点:
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. ometimes you need to make electricity.（）
以下关于最低展现价格描述错误的是（）。
什么叫循环风？有何危害？
下列各项中，不属于医师在执业活动中必须履行的义务是（）。
小组活动的设计是小组工作的一个非常重要的技巧，社会工作者在设计小组活动时要综合考虑多方面因素，下列表述不正确的是（）。
以前人们在坟墓旁边经常看到一些淡蓝色火焰，解释此现象？
子痈湿热下注宜选用（）
并殖吸虫病的胸部X线检查可发现（）
关于二手商业用房贷款期限，下列说法正确的是（）。
组织应确保对食品安全管理体系负责___、纠正、采取纠正措施的人员受到培训。