ocr: TTHE HEINEMANN TOEFL PREPARATION COURSE - XAD 16117/1819 20 21 22] 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 16 In nature, cats are nocturnal animals; thati is, its most active period of the day is at night. A B C D 17 Several computer models have been able to succeed predict global climatic changes A B C well in advance of their occurrence. D 18 Although their larvae can take over a year to mature, somevarieties of adult mosquito A B - SECTION 2 live only a little days. Directions. A D PART A Directions B PARTI B 19 Although Jack Kerouac's VISION of America was less critical that, ...