市场调查按功能分类有？
参考答案：
试验性调查、预测性调查、描述性调查、因果性调查四个类型。
根据句意和首字母提示完成单词。
1. Zhuang Yong won the women's 100-metre f_____ with a time of 54.64 seconds.
2. The girl from Class Two won the 100-mether r_____.
3. It s_____ that Zhuang Yong and Jenny hadfinished at the same time.
4. When, Zhuang Yong won China's first gold inswimming,the Chinese s_____ jumped up anddown,
cheering.
5. It was a very c_____ race.
高压玻璃钢管道，对于较大的比较复杂的工程建议在前（）米完工后进行试压，以确保安装符合要求。
