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问题 单项选择题

在C＋＋语言中，数据封装要解决的问题是

A．数据的规范化

B．便于数据转换c) 避免数据丢失D) 防止不同模块之间数据的非法访问

答案

参考答案：D

解析： 数据封装为了防止不同模块间数据的非法访问及修改。

阅读理解
根据短文内容完成句子。
      Here is a page from a magazine named Future. Read the following information about things that may happen
in ten years.
Cars will run on solar power or electricity and will be much cleaner. They will be much safer. For
example, if you are too close to another car or if you are driving dangerously, your car will slow down
by itself.

Because there won't be any spare land, new cities will have to be built in the sea. Some cities on water
will have two levels. People will live on the upper level; the lower level will be used for traffic, shops and
factories.

Biotechnology (生物工艺学) will make food better and healthier. Plants that are not affected by insects
or illnesses will be developed. The taste of fruits and vegetables will be better and food will be kept
longer.

New technology will be used to make TVs that are only 5cm thick. They will have pictures that are as
clear as photos. Electrical appliances(设备) will be quieter and will be controlled by computers; they will
also use 50% less power.

Many new ways to cure illnesses will be successful by using products of genetic engineering. Cures will
be found for the flu and the common cold. However, some new illnesses will appear.
1. Cars using solar power or electricity will cause               accidents and               pollution.
2. People will be able to live in the new cities in the              .
3. Biotechnology will make the fruits and vegetables               and keep the food              .
4. Electrical appliances will be               and will be controlled by              .
5. Genetic engineering can help doctors to cure              .
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问答题

2009年2月23日6时10分，某省某煤矿13号煤层东一掘进工作面发生一起特别重大瓦斯爆炸事故，造成37人(其中女工2人)死亡，直接经济损失246万元。事故发生后，国务院领导同志高度重视，国家煤矿安全监察局和该省人民政府有关负责同志迅速赶赴事故现场指导事故抢救和善后工作。
根据国务院领导同志的批示要求和《煤矿安全监察条例》等有关法律法规的规定，成立了煤矿“2·23”瓦斯爆炸事故调查组(以下简称事故调查组)。
事故调查组经过现场勘察、调查取证和技术鉴定，查清了事故原因，认定了事故性质和责任，并提出了对有关责任人员的处理建议和防范措施。
根据以上场景，回答下列问题：

事故调查组在现场的处理至少应做到哪些
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