50. According to the passage, complete weather reporting _______________.
(A) failed to show the overall picture of the weather
(B) was not made possible until the 17th century
(C) became possible after the invention of the telegraph
(D) had to wait two centuries for the weather map to be developed

46. The passage is mainly concerned with the _______________. (A) weather (B) thermometer (C) storms (D) telegraph

47. The phrase “these basic elements” in the third paragraph refers to all of the following EXCEPT _______________. (A) pressure (B) rainfall (C) moisture (D) temperature

48. Which of the following statement is NOT true according to the passage? (A) To have a full understanding of the weather, we need to study the atmosphere scientifically. (B) The study of the atmosphere is generally called “meteorology.” (C) The major instrument for measuring atmospheric pressure is the barometer. (D) Farmers did not begin to search the sky for clues about storms until the 17th century.

49. Which of the following words is closest in meaning to “humidity?” (A) Pressure (B) Atmosphere (C) Thermometer (D) Moisture

26. (A) In sum (B) In contrast (C) In time (D) In addition

27. (A) how (B) what (C) that (D) it

28. (A) assembly (B) hardly (C) closely (D) finally

29. (A) classical (B) classified (C) classicist (D) classicism

30. (A) best of all (B) not at all (C) once and for all (D) all over

31. (A) ones (B) what (C) these (D) whose