Questions 21—25 are based on the following passage:
　　Do people in your country hug in the street? In some countries, it is common for people to show affection in public places. In the United States, for example, we often see couples hold hands, hug and kiss on the street, in the park, in the restaurant and even on trains and buses. But in some other countries, people never show affection in public places because their customs don’t permit this, for example, in Korea and China. So, when Korean and Chinese people visit the United States, they sometimes feel very surprised when they see Americans hug and kiss on the street.
　　In some countries, friends show physical affection to each other. In some South American countries, female friends walk arm in arm when they walk along the street together. In Italy and Russia, male friends often kiss each other on both cheeks when they greet. In most countries, men don’t kiss or hug when they greet each other. They usually shake hands or pat each other on the back.
　　People around the world are different in the amount, manner and situation in which they touch each other. (188 words)
　　21. The main idea of this passage is ______.
　　A. the customs in Korea and China are exactly the same
　　B. Koreans and Americans can never understand each other
　　C. South Americans are more friendly than North Americans
　　D. different countries permit different amounts of toughing in public
　　22. Chinese and Korean people feel surprised when they see Americans hug and kiss on the street because ______.
　　A. they never hug or kiss
　　B. they themselves are polite
　　C. their own customs don’t permit such conduct
　　D. kissing each other is not allowed on the street
　　23. Which of the following is true according to the passage?
　　A. Chinese people often kiss on the street.
　　B. In all countries public affection is permitted.
　　C. In many countries, men shake hands when they greet each other.
　　D. The Americans are not as polite as people in other countries.
　　24. Which of the following is NOT TRUE?
　　A. Social customs are different in different countries.
　　B. Customs in the United States permit public affection.
　　C. Customs in China don’t allow people to show affection in public.
　　D. Women in South America never touch each other.
　　25. From the passage we can guess ______.
　　A. Korean people often kiss and hug on American streets
　　B. people all over the world like to kiss their friends
　　C. Americans like to kiss and hug Korean people on the street
　　D. it may be strange to Americans to see two men kiss on both cheeks

　　Questions 26—30 are based on the following passage：
　　In this experiment, Robert Rosenthal and Lenore Jacobson studied the way that innocent subjects might be affected by another person’s expectations. First, they gave an intelligence test to the entire student body at an unnamed primary school in the San Francisco area. Then, they selected students at random and told their teachers that the students’ tests had shown that they were about to experience a period of rapid learning. Teachers did not change their methods or materials for teaching the selected students, but at the end of the year, when the test was administered again, first and second graders who had been selected had, in fact, gained twice as many I.Q. points as other children. The experiments concluded that they had performed better because they had been given more attention. Teachers had challenged them and had given them more positive reinforcement because they had expected more from them. (148 words)
　　26. What was tested in this experiment?
　　A. The influence of I.Q. tests.
　　B. The influence of selected teachers.
　　C. The influence of teacher expectations.
　　D. The influence of teaching methods and materials.
　　27. How were the subjects chosen to take part in the experiment?
　　A. They were selected by their teachers.
　　B. They were selected by the experimenters.
　　C. They agreed to take part in.
　　D. They passed a test.
　　28. The children who were selected for the experiment gained more I.Q. points than the others because they were ______.
　　A. more clever
　　B. taught by different teachers
　　C. taught with new materials and methods
　　D. given more encouragement by their teachers
　　29. Teachers gave the selected children more attention because ______.
　　A. they were not as clever as the other children
　　B. they were told to teach them in a different way
　　C. they expected them to learn faster
　　D. they did not want to challenge them
　　30. What was the conclusion drawn by the experiment?
　　A. A clever child scores higher on I.Q. tests.
　　B. Teachers should use different teaching methods and materials for clever children.
　　C. The expectations of teachers influence children’s learning.
　　D. The I.Q. test used in San Francisco school should be changed.