下图为气候对东北地区农业生产的影响图，读图回答问题。

电话是美国人____ 发明的，它由____ 和____ 组成．

⑴How does your brother feel? ____     A. They are thirsty.

⑵How does your sister feel? ____        B. He's sad.

⑶How does your dog feel? ____          C. I am cold.

⑷How do they feel? ____                     D. She's tired.

⑸How do you feel? ____                      E. We are cool.

⑹How do we feel?____                        F. It's hungry.

如果请你帮幼儿园的老师想个办法，让孩子们知道手上就有细菌或真菌，饭前必须洗手，你有什么办法？看看小明同学的办法：找两个馒头（馒头A、馒头B）和两个干净的塑料袋，在蒸锅里多放一些水，蒸30分钟以上（一定多放一些水，否则会烧干锅的）．尽快用你的手在馒头A上按一下，然后认真洗一下手，在馒头B上按一下．