Questions 20-23

　　Do the following statements agree with the information given in the reading passage?

　　In boxes 20-23 on your answer sheet write

　　TRUE if the statement is true according to the passage

　　FALSE if the statement is false according to the passage

　　NOT GIVEN if the information is not given in the passage

　　20. Paraelectric materials can generate a current when electrodes are attached to them.

　　21. Dr. Mischenko has successfully applied his laboratory discovery to manufacturing more efficient referigerators.

　　22. Doubling the frequency of logical operations inside a microprocessor doubles the heat output.

　　23. IBM will achieve better computer cooling by combining microchannels with paraelectrics.

　　Questions 24-27

　　Complete the notes below.

　　Choose one suitable word from the Reading Passage above for each answer.

　　Write your answers in boxes 24-27 on your answer sheet.

　　Traditional refrigerators use...24...pumps to drop temperature. At present, scientists are searching for other methods to produce refrigeration, especially in computer microprocessors....25...materials have been tried to generate temperature drops five times bigger than any previously recorded. ...26...effect has also been adopted by many researchers to cool hotspots in computers. A miniature version of a car ...27... may also be a system to realize ideal computer cooling in the future.