45. The author’s purpose of writing this passage is to ____.

（  ）53. In addition to being a source of income, our jobs define who we are in the world.

2.

34. Don’t bother to look for my umbrella; it will ____ some day.

1

( )13. Talking to strangers on the Internet is absolutely safe.

23. The letter is from my sister, ____ is working in Beijing.

17. Leave your key with a neighbor ____ you lock yourself out one day.

Section CDirections: In this section you will hear a recorded short passage. After the passage, there are five statements. The passage will be spoken three times. You are required to decide whether the sentences are True or False. Mark A ( for TRUE ) if the statement agrees with the information given in the passage; mark B ( for FALSE ) if the statement contradicts the information given in the passage. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center. Now the passage will begin.( ) 11. Two thirds of the countries of the world are very rich, and one third are very poor.

10.

5.

48.The exhibition is sponsored by   48   organizations.