C
Well, here we were, stuck on the steamboat with two bad men inside.
"We've got to find their boat now," I told Jim. "We need it for ourselves."
Jim was so afraid that he was 1. s. I was nervous too. But we had to keep calm. Soon we found their small boat was 2. t up on the side.
Jim and I hopped in that boat quickly and cut the rope. We pushed off and headed down the river, looking for our raft(竹筏). We floated along for several miles and then we found it and were on 3. b. We floated along for about three days. Then the river opened up and we knew we were heading in the right 4. d. We wanted to get to Cairo, a town on the Ohio River. It was a 5. f place, and Jim would no longer be a slave(奴隶) there. But we had to be 6. c not to pass it.
Jim hid in a small house during the day in order not to be 7. s. But one day I saw a couple of men heading our way. They were looking for five runaway slaves. They asked me if my partner was black and wanted to 8. c the boat.
I told them that it was my father. He was white and he was really 9. s.
"What's wrong with him?" the man asked.
"He's got smallpox(天花)," I lied. "Can you help him?"
"Stay 10. a from us!" they shouted and started running away quickly. I was glad to see them go.

D
When I was a child, my mum was in poor health, so I've dreamed of becoming a doctor. Now I'm a surgeon(外科医生). Let me tell you something about working as a doctor.
A medical school student can be a doctor. But if you want to get into a top 1. h, you must get your doctoral degree(学位) from one of the best universities. It usually takes eight to eleven years 2. b getting a doctoral degree.
Doctors need different qualities and 3. a. At school, medical students study all the basic subjects, and then we 4. c our specialty(专业). It is necessary for a surgeon to have two perfect hands and a strong body as he/she does important 5. o. Pediatricians(儿科医生) need to be good at communicating as they often do with 6. k. Doctors in top hospitals also have teaching tasks because new doctors need to be 7. t.
Every day, we spend time seeing patients in clinics and inpatient departments. We need to talk with them and their 8. f. We also need to have meetings with other doctors, plan treatment and 9. w medical records.
So if you choose to become a doctor, you'd better forget about having full weekends or holidays like 10. o. But I still want to say working as a doctor can be busy but rewarding.