Frank is a small schoolboy. His school has so many rules for 1. He doesn't like any of them because he thinks they are all 2."The school asks us not to do this 3that. I'm not happy about it," He often says.

    Frank can swim. He always wants to 4how good he is at swimming. One day he comes to the lake in his school. There is a school rule about this lake: Don't 5in it! Frank doesn't like the rule and he jumps into it.

    When he is in the lake, he finds he is 6. The lake is so deep and the water in it 7very dirty. He feels terrible and can't swim well in the lake. He needs 8 The two teachers come and help 9out of the lake. From that day on, he knows it's important to 10the school rules.

    What do you think of the school rules in your school?

    Although Tokyo is one of the most expensive cities in the world, you will be surprised that there are still some free activities in Tokyo.

Free temples

    There are many temples in Tokyo. The most famous one is Meiji Jingu. This is the most important temple in Tokyo. If you visit it, you can know more about Japanese history. Of course, it's free.

Free museums

    If you go to Kanto Earthquake Museum, you can see the exhibitions and the memorial for the people who died in the 1923 earthquake disaster.

Free parks

    There are two famous parks in Japan. They are Yoyogi Park and Ueno Park. Yoyogi Park is one of the largest parks in Tokyo. It is now a great place to see street performances. Ueno Park is popular with many Japanese people and foreign visitors.

Free snacks

    Japanese food is delicious and healthy. You can try different kinds of snacks, before spending money on them. You don't need to pay for them when you try them.

    Cambodia (柬埔寨) is going to open the Angkor Wat temples (吴哥窟) at night to interest more tourists to the poor country.

    Tourism is an important foreign currency earner (外汇收入) for Cambodia. More than 1,000,000foreign people are going to visit it this year, and most of them are from South Korea, Japan and the United States. More than half of visitors will visit the Angkor Wat temples.

    Now visitors must walk out of Angkor Wat temples at sunset, but Cambodia is going to extend (延长) the visiting hours to as late as 8:30p. m.

    "We want visitors to see all views of the temples, even in the dark places where they may not see some of the sculptures and statues," Bun Narith said.

    But as hotels are more and more, people need lots of underground water. People say the uncontrolled pumping (无节制地抽水) of underground water is bad for the Earth under the temples.