供人员疏散的疏散指示标志，在主要通道上的照度不低于（）lx。A、0.4 B、0.5

As a volunteer teacher, I traveled a long way to a small village school in Longzhou, Guangxi. On my way there, I thought about the village, school and the children there. However, my heart sank when I arrived there. It was out of what I expected.小题1:________It has only three rooms; One is for Grade1,2and 3;One is for Grade4,5,and 6;And the third one is for me.
小题2:_______They asked me a lot of questions, and I told them stories about myself and my life in Shanghai. The next day, I gave them a test to find out their levels. To my surprise, though the test was very easy, over half of the students failed, yet they all wanted to learn new things.小题3:_______.
I was busy preparing lessons and reading test papers every night. I enjoyed teaching these lovely and hard-working children, and I could see that they were making progress with my help.小题4:_______.I understand their lives more, and we are now good friends.
小题5:_______.I’m very happy and the experience has been very useful to me. I love the small village and the children. In fact, I would like to go on working there.

A.I have also learnt a lot from them. B.I wanted to leave as quickly as I can. C.I knew they needed me. D. The children seemed to know everything about me. E. It didn’t look like a school at all. F.I have worked in Longzhou for a year now. G. The children welcomed me warmly on my first day.