This is an online discussion group where people can post(发布) comments about a topic.
Read the post from the travel forum(论坛).

If you want to get a new cell phone number, don’t forget to bring your ID(身份证明) with you .
As of September 1, people have to register(注册) with their ID to buy a new cell phone number. You can show your ID card or hukou, but student ID’s won’t work.
If you already have a cell phone number, it is better to register it before 2013.
The new rules are meant to prevent junk messages and fraud(诈骗) through cell phones.
A cell phone user in China on average received 43.3 messages a week in the first half of this year. According to reports, about 12 of those were junk messages.
In a survey, about 74.5 percent of users said they have received fraudulent(诈骗的) messages.
If all people register their cell phone number with ID information, it will be easier for police to find the people behind those messages.
Situations in other countries
Because cell phone are getting more and more popular, many countries have made stricter cell phone rules.
Countries like India, Japan, Australia, and Singapore all ask users to register their ID information.
Ulrich Mller is a German living in Beijing. “In Germany, you have to show your ID when you buy a cell phone card,” he said. “The rules have been there for a long time. Most people know about it.”
Linda van der Horst is a student at Peking University. She said that in the Netherlands(荷兰)，people have to show ID information and bank account(账户) information to buy a cell phone card.
【小题1】What is the passage mainly about?

　　The tiger is the largest wild cat in the world. The big cat weighs about 363 kilograms and is about two metres long.

　　Tigers wait until it is dark, then they go out to find their food. When a tiger sees an animal, it moves very quietly, then jumps on the animal to kill it. Sometimes it can take several days for a tiger to finish eating its kill. The tiger eats until it's had enough, then it covers the dead animal with leaves. Later, when the tiger is hungry again, it comes back to eat some more.

　　Tigers are different from others in the cat family: they like water, and they often jump into rivers to swim.

　　Some tigers live in very cold places—in parts of North Korea, eastern Russia, and northeast China. Other tigers live in warmer places—in India and parts of Southeast Asia.

　　All tigers are in danger. People killed them to use their skins for clothes, and their bodies for medicine. In addition, there is also less and less land for tigers to live on. But now people know that tigers are in danger and have made plans to protect them.

(1) How weighty is a big tiger?

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(2) When do tigers go out for their food?

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(3) Can tigers swim?

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(4) Which country can't you see the wild tigers in?

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(5) What do people kill tigers for?

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A．Eat their meat.

B．Use their skin for clothes.

C．Drink their blood.

D．All above.