2007年6月10日以来，广州大学大学城校区平均每日因发热等症状到校医务室就诊的学生人数达23例，为平日就诊数的3倍；目前累计就诊人数已达138例，患者的主要症状为发热、头痛、畏寒、流涕等。卫生部门经调查和采集样本进行实验室检测，确认为甲3型流感。
请你制定本次疫情调查的调查方案。
参考答案：
调查方案包括以下内容：
（1）调查目的：如核实诊断；掌握本次疫情的流行强度；明确引起本次疫情的因素；采取防治措施，评价措施的效果。
（2）调查方法：主要为问卷调查。
（3）调查内容：核实诊断，评估疫情；收集疫情发生地区相关的信息；对病例进行调查；了解和不断修正预防措施；描述病例的三间分布；采取措施并对措施效果进行评价。
（4）调查表设计。
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| Building a house is an operation which costs quite a lot of money. Suppose you plan to 1 a house, your first step is to find a suitable piece of 2 , You will probably try to find a sunny place, in a 3 situation, near stores and bus stops, not too far from your friends and the place where you work. Next you will find an 4 builder. And together with the builder you will make a 5 , The builder will draw it. The builder will also 6 the cost of your house. He will estimate (估计) the cost of the wood, the glass, and everything else that he must use in building the house. Later on, when he starts to build, this estimate must 7 , because the prices may 8 , and many other thing may happen between the time when he makes the estimate and the time when he builds the house. 9 the builder gives you his estimate, you may wish to change your plan. You may find that some of the things you wanted at first cost too much, or that you can 10 a little more and add something to your original plan. | ||||
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