完形填空
Last weekend, I was blessed with an opportunity to serve as a volunteer in Maryland. I don't have a car and the closest Amtrak station is about 30 minutes away from the actual site so I wasn't sure1I would get there. I started thinking that maybe it wouldn't be2and after a really long week, I thought that maybe I shouldn't3at all. But I went ahead and posted a request for a4on the ride-share board.
A few days later, an individual I had never met5that he would be able to pick me up and6me off at the station. He was also planning on serving but said he would wait7my train arrived before driving out there. How kind8this person whom I've never even met, I thought to myself. My heart9, and the stress I had been feeling from my week10away.
When my new friend drove me to the train station, he11that it was in a deserted kind of area. There was no one12around. It was cold outside, and I still had 30 minutes to wait. So he13his car and said, “We will wait for the train to come together.”
I couldn't believe his compassion and14. I knew that he had to be at work the next day15me, and that his wife and son were waiting for his return. But he just waited there with me so16, generously serving with his time.
With five minutes17before the train arrived, he shared with me stories from his childhood. As a young boy, he18sit near the edge of the train tracks, excitedly waiting for the trains to rush by with all their force. That night, before returning home to his family, he waited with me as my train19. It didn't rush by at full force but I left that station20the full force of his compassion and generosity.
闭合开关，用电压表测出L1两端的电压；在测L2两端的电压时，明明同学为了节省实验时间，采用以下方法：电压表所接的B接点不动，只断开A接点，并改接到C接点上；测出AC间的电压．