19. A) She hasn’t been getting adequate grades.

　　B) She hasn’t been attending class every day.

　　C) She has been coming to school much too early.

　　D) She has been overloading herself with homework.

　　20. A) Two. B) Four. C) Six. D) Eight.

　　21. A) To stay in class. B) To get another class.

　　C) To withdraw from class. D) To miss just one more class.

　　Questions 22 to 25 are based on the conversation you have just heard.

　　22. A) How to care for precious metal. B) A standard unit for measuring weight.

　　C) The value of precious metals. D) Using the metric system.

　　23. A) To check the accuracy of scales.

　　B) To calculate the density of other metals.

　　C) To observe changes in the atmosphere.

　　D) To measure amounts of rain fall.

　　24. A) Someone spilled water on it. B) Someone lost it.

　　C) It was made of low quality metal. D) The standard for measuring had changed.

　　25. A) It is a small amount to pay for so much precious metal.

　　B) It is difficult to judge the value of such an object.

　　C) It is reasonable for an object with such an important function.

　　D) It is too high for such a light weight.

　　Section B

　　Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre.