43. What does the passage mainly discuss?
(A) The reason infants smile or cry
(B) The importance of outside stimuli to infants
(C) The development of emotional expression in infants
(D) The effects of fears on an infant’s development

39. What makes a better title for this passage? (A) The Technological Innovations of Steve Jobs (B) The Extraordinary Life of Steve Jobs (C) The Difficulties and Challenges of Steve Jobs (D) The Family and Friends of Steve Jobs

40. Based on the information in this passage, how many years since Jobs entered the college up to his starting the invention of Apple? (A) 2 (B) 6 (C) 18 (D) 1.5

41. According to the passage, which of the following statements is true? (A) Jobs dropped out the college because he thought required courses indispensable. (B) Jobs went back to his own company because he won in a power struggle. (C) Jobs’ success came mostly from his curiosity, passion, and dedication. (D) Jobs thought the college tuition was not a problem for his family.

42. At the end of the passage, a quote from Jobs said, “Stay Hungry. Stay Foolish.” What does the advice mean? (A) Eat much. Act like a fool. (B) Be ambitious. Take risks. (C) Want more. Don’t be stupid. (D) Dissatisfied. Be humble.

44. “firing” in line 5 refers to (A) excitement (B) ignition (C) activation (D) provocation

45. What can be inferred from the passage about the cry of fear? (A) It is not as easy to identify as the cry of pain. (B) It usually develops later than the cry of pain. (C) It is the first emotion expressed by an infant. (D) It is louder than the cry of pain.

46. In the passage, the author organizes the discussions of infants’ emotional expressions according to the (A) intensity of expression used (B) importance of the emotions (C) caretaker’s reaction to the expression (D) order in which the emotions develop

47. What does the passage mainly discuss? (A) An international exhibit of space technology (B) The use of satellites for predicting weather (C) Management of the Earth’s resources (D) Plans for a satellite research program

48. Which of the following conclusions can be drawn from the author’s use of the phrase “at last” in line 3? (A) The Earth satellites will last forever. (B) The atmosphere will be studied after the seas and living creatures are studied. (C) Satellites have long sought to understand the relationship of the atmosphere, the sea, and life-forms. (D) Earth satellites play the least important role in our understanding of a single global system.

49. The “probes” mentioned in line 7 are (A) Hypotheses (B) Digging tools (C) Research teams (D) A type of satellite