![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
看图,回答问题。 1. What are they? _______________________________. 2. What's this? _______________________________. 3. What's this? _______________________________. 4. What's this? _______________________________. 5. What's this? _______________________________.