最近的一项调查显示，许多人关注气候变化。

A recent ___survey showed that many people are concerned about climate change.

这家公司正在进行一项调查以收集客户反馈。

The company is conducting a ___survey to gather customer feedback.

我在同学中做了一项关于他们学习习惯的小型调查。

I conducted a small ___survey among my classmates about their study habits.