题目

实验室用如图所示的装 置制取氧气，回答下列问题： (1)往试管中装入固体粉末时，可先使试管倾斜，用_______把药品小心地送至试管底部 (2)组装该装置时，下列仪器用品的组装顺序是(填序号)________  ___ ①  试管  ②铁架台    ③酒精灯    ④木块      答案：（1）纸槽或药匙     （2）②④③①Last July, my 12-year-old car died on California’s Santa Ana Freeway. It was an hour before sunset, and I was 25 miles from home. I couldn’t reach anyone to pick me up, so I decided to take a bus. Not knowing the routes, I figured I’d just head east. A bus pulled up, and I asked the driver how far she was going. “Four more lights,” she said. There was another bus I could take from there. This clearly was going to be a long night. She dropped me off at the end of her route and told me which bus to look for. After waiting 30 minutes, I began to think about a very expensive taxi ride home. Then a bus pulled up. There was no lighted number above its windshield(挡风玻璃). It was out of service. But the door opened, and I was surprised to find that it was the same driver. “I just can’t leave you here,” she said. “This isn’t the nicest place. I’ll give you a ride home.” “You’ll drive me home in the bus?” I asked, perplexed(困惑). “No, I’ll take you in my car,” she said. “It’s a long way,” I protested. “Come on, ” she said. “I have nothing else to do.” As we drove from the station in her car, she began telling me a story. A few days earlier, her brother had run out of gas. A good Samaritan picked him up, took him to a service station and then back to his car. “I’m just passing the favor along, ” she said. When I offered her money as a thank-you, she wouldn’t hear of it. “That wouldn’t make it a favor, ” she said. “Just do something nice for somebody. Pass it along.” 1. Why did the writer say that he would have a long night? A. He wondered how long he had to wait for the next bus. B. No driver would give him a ride. C. He didn’t know the routes. D. He perhaps would have to take a taxi. 2. Judging from its context, the place where the writer waited for the second bus was _______. A. very quiet and peaceful     B. dark without street lights C. neither clean nor beautiful   D. a little unsafe 3. Why did the writer change his mind after waiting for 30 minutes at the end of the route? A. No bus would come at the time. B. A taxi ride would be more comfortable. C. He became impatient and a bit worried. D. He knew the driver would never return. 4. The bus driver drove the writer home later because ________. A. she happened to go in the same direction B. she wanted to do something good for other people C. her brother told her to do so D. she wanted to earn more money 5. The bus driver hoped that the writer ________. A. would do as she did             B. would keep her in memory C. would give the money to others    D. would do her a favor