C)relief from the stress of everyday life D)daily necessities 34.One of the advantages of backpacking is that A)it can help people to establish a link with nature B)it is a group activity and can cure a person's loneliness C)it is not so challenging as other activities D)it does not require people to decide on a destination 35. According to the passage, Natty Bumppo was A)an American national hero B)a character in a Hemingway novel C)a man of valorD )an Indian warrior Passage 4 Questions 36 to 40 are based on the following passage The manner in which desert locust plagues develop is very complex. The two mo st important factors in that development are meteorology and the gregariousness of the insect. Since locusts breed most successfully in wet weather, rain in the s emiarid regions inhabited by the desert locust provides ideal breeding condition s for a large increase in population This increase must be repeated several time s in neighboring breeding areas before enough locusts crowd together to form a warm. As the supply of green, palatable food plants decreases to ward the end of h e rainy season, the locusts become even more concentrated They move on to other w arm, damp, verdant places where they settle, feed, and reproduce. As this process repeated a swarm eventually develops. Plagues are unpredictable and irregular ause the meteorological patterns favorable to crowding are themselves 36. The passage deals primarily with desert locust swarms and their A)plaguesBreproduction C)formation D)unpredictability 37. According to the author, which of the following is NoT an important facto r in the growth of desert locust swarms? A)An abundant food supply B )Large population increases. C)Rain in the semiarid regions. D)The gregarious nature of locusts 38. According to the passage, a decrease in the number of palatable food planC)relief from the stress of everyday life D)daily necessities 34.One of the advantages of backpacking is that ____. A)it can help people to establish a link with nature B)it is a group activity and can cure a person’s loneliness C)it is not so challenging as other activities D)it does not require people to decide on a destination 35.According to the passage,Natty Bumppo was____. A)an American national hero B)a character in a Hemingway novel C)a man of valorD)an lndian warrior Passage 4 Questions 36 to 40 are based on the following passage. The manner in which desert locust plagues develop is very complex.The two mo st important factors in that development are meteorology and the gregariousness of the insect.Since locusts breed most successfully in wet weather,rain in the s emiarid regions inhabited by the desert locust provides ideal breeding condition s for a large increase in population.This increase must be repeated several time s in neighboring breeding areas before enough locusts crowd together to form a s warm.As the supply of green,palatable food plants decreases to ward the end of t h e rainy season,the locusts become even more concentrated.They move on to other w arm,damp,verdant places where they settle,feed,and reproduce.As this process is repeated a swarm eventually develops.Plagues are unpredictable and irregular bec ause the meteorological patterns favorable to crowding are themselves irregular. 36.The passage deals primarily with desert locust swarms and their____ . A)plaguesB)reproductionC)formationD)unpredictability 37.According to the author,which of the following is NOT an important facto r in the growth of desert locust swarms? A)An abundant food supply. B)Large population increases. C)Rain in the semiarid regions. D)The gregarious nature of locusts. 38.According to the passage,a decrease in the number of palatable food plan