Vocabulary questions are found in the parts of the reading passage that will be highlighted to correspond with a question. This is another reason why it is unnecessary for you to read the entire passage. | Practice Test 3 131 45. Where could the following sentence best be added to the passage The speed of the river s current is just as extreme. A After the word Iowa in the first paragraph B After the word Mississippi in the second paragraph C After the word upstream in the third paragraph D At the end of the fourth paragraph 46. Who discovered the mouth of the Missouri River A Meriwether Lewis and William Clark B French fur traders C Jacques Marquette and Louis Joliet D American fur traders 47. When were steamers first used on the Missouri River A 1673 B 1700 C 1804 D 1830 48. Which word does the word power as used in line 42 refer to A Waterway B Irrigation C Development D Electricity 49. When was a flood control program for the Missouri River begun A 1940 B 1840 C 1740 D 1640 50. In the passage all of the following topics are briefly discussed EXCEPT A the geography of the Missouri River B the history of the Missouri River C tourism and recreation on the Missouri River D twentieth-century development of the Missouri River practice test 3 132 PART IV Two Practice Tests ANSWER KEY AND EXPLANATIONS 1. B 11. C 21. B 2. D 12. D 22. A 3. C 13. D 23. D 4. B 14. B 24. A 5. D 15. A 25. A 6. A 16. C 26. B 7. A 17. C 27. C 8. B 18. C 28. C 9. A 19. C 29. A 10. C 20. C 30. D 31. B 41. D 32. A 42. B 33. D 43. D 34. B 44. C 35. C 45. B 36. D 46. C 37. A 47. D 38. C 48. D 39. A 49. A 40. A 50. C i. 2. The correct answer is B . Choice A does not contain the most important facts about the career of Jonas Salk. Choice C contains information that is not mentioned in the passage. Choice C is incorrect Salk was at the University of Pittsburgh. The correct answer is D . The other answer choices are incorrect definitions. 9. 10. 11. 3. The correct answer is C . The other answer choices contain words and phrases from the paragraph but are all incorrect. 4. The correct answer is B . The sentence reads Working with scientists from other 12. universities in a program to .