Article: A mother and her young son get into a bus in a small city and sit down. The bus conductor comes to them for their money. The mother says: "I want one ticket to the zoo " and gives him two yuan. The conductor looks at the small boy for a few seconds and then says to him, "How old are you ,young man?" The mother begins to speak, but the conductor stops her, The boy says: "I'm four years old at home, and two in the buses." At last the mother has to take one yuan out of her pocket and gives it to the conductor. Question: At last the mother _ . Yes or no, is the answer "buys a half-price ticket for the boy"?
No

Article: Hongkong has about forty beaches. They are open to all people. Some of the beaches are the best in the world. People can go there for a swim. You can go to most of them by bus. To go to some beaches you have to take a boat. There are toilets, clothes changing rooms and places to buy food and drinks on most of the beaches. You will swim there safely if you do as the following: 1. Don't swim alone. You should go with an adult or your friends. 2. Don't swim right after a meal or when you are hungry or tired. 3. You should not stay in the water too long. 4. Do not go out in a boat if you can't swim or if you're not wearing a life jacket. Remember: A red flag means that it is dangerous for anyone to go into the water. A blue flag means that it is dangerous for children and weak swimmers to enter the sea. Question: When you see a blue flag, you know that _ there. Yes or no, is the answer "children should not swim"?
No

Article: In England,factory holidays come mostly in the period between mid-July and mid-August. State schools usually only have six weeks off, from about mid-July to the end of August. The coast is the most popular place for the English people to spend their holidays, but there are few seaside hotels. Food in British hotels and restaurants is cheap, but rooms are not. Few English people rent houses for their holidays, but one of their traditional ways of spending a summer is in a boardinghouse . Some boardinghouse keepers give all meals to their guests, others provide breakfast only. The British may refuse to change the times at which they take their holidays, but they have shown themselves very ready to go to new places. Every year, more Englishmen, women and children go to some parts of Europe. Many take their cars, crossing the channel by ship. When they get home again, they always talk about how they spend their holidays. Question: People seldom rent houses because _ . Yes or no, is the answer "renting houses cost too much money"?
No