A farmer was put in prison . One day, he got a letter from his wife. "I am worried about our farm," she wrote. "It's time to plant potatoes, but I can't do all the digging by myself." The farmer thought over and then had an idea. He wrote to his wife, "Don't dig the fields. This is where my gold is. Don't plant potatoes until I come home." A few days later, the farmer got another letter from his wife. It said, "Two days ago, about ten prison guards came to our fields. It looked as if they were looking for something. They have dug our field." The farmer wrote to his wife at once. "Now you can plant our potatoes," he wrote. Why did the farmer ask his wife to plant potatoes at once? Because _ . A) their fields had been dug B) the gold was found out C) the prison guards asked him to do so D) the prison guards were digging the fields
A

Many people take trains for their trips in China, because the train is fast and cheap. But there are many problems when people take trains. It's not easy to take trains when it is a festival. Lots of people hope someone can solve the problems. Then, the CRH trains come out. The first CRH train from Beijing to Tianjin runs in August, 2008. CRH1 and CRH2 can go up to 200 km/h, and CRH3 can run 300 km/h. Taking CRH trains is more expensive than taking a traditional train, but cheaper than taking a plane. Some people think the CRH trains and their workers are good, and they enjoy the trips by CRH train. China starts to make a CRH train, 350 kilometres an hour from Beijing to Shanghai. It can save people more time than taking the traditional trains. Can CRH trains solve the problems? "Of course not. There is still a long way to go," about 80% of the people answer. How fast does the CRH train from Beijing to Shanghai? A) 100 km/h B) 200 km/h C) 300 km/h D) 350 km/h
D

Mr. White was in bed and was trying to go to sleep when he heard the doorbell ring. He turned on the light and looked at the clock. It was half past twelve. "Who can be it at this time of night?" he wondered. He decided to go and find out. So he got out of bed, put on his jacket and went to the door. When he opened the door, there was nobody there. "That's very strange," he thought. Then he went back to his bedroom, took off his jacket, got back into bed, turned off the light and tried to go to sleep. A few minutes later he heard the doorbell ring again. Mr. White jumped out of the bed very quickly and rushed to the door. He opened it, but again he found no one there. He closed the door and tried not to feel too nervous. Then he saw a piece of paper on the floor inside the door. He picked it up. There were some words on it: "Now it's after midnight, so it's April 1st. Happy April Fool's Day!" "Oh, it was the funny boy next door!" Mr. White smiled. ,. At first Mr.White turnedonthelightand _ . A) gotoutofbed B) put on his jacket C) wanted to know the time D) calledthe police
C