45
(A) There are usually many from which to choose.
(B) In this respect writers have more freedom than artists.
(C) Objective description is purely factual, uncolored by any feelings of the author.
(D) Its use is not restricted, however, to what we can perceive with our senses.

41 F. Reinitzer finally realized the cloudy liquid he stumbled upon was a new state of matter and coined the name “liquid crystal.” (A) It was a coincidence that F. Reinitzer discovered a new material, for which he created the term “liquid crystal.” (B) F. Reinitzer found a new kind of material when he fell down accidentally and he called the newly found“liquidcrystal.＂ (C) It dawned on F. Reinitzer that he needed“liquid crystal＂to prove that he had come across a new kind ofmaterial in coins. (D) When churning the cloudy liquid, F. Reinitzer found that the material assumed a new form which he called“liquid crystal.＂

42 The drug trafficking situation is one more potential strain on the already tense relationship between the UnitedStates and Canada. (A) The United States and Canada have a tense relationship in recent years due to traffic problems. (B) Drug smuggling adds a new strain on the tense US-Canada relations. (C) The border transportation problem has long existed between the United States and Canada. (D) The United States and Canada have a tense relationship along the border.

43 The wild and treacherous weather is a threatening sign of grave environmental problems. (A) The unpredictable weather threatens the impending serious environmental problems. (B) The unpredictable weather signifies the impending disastrous environmental problems. (C) Environmental problems threaten our daily life with unpredictable weather. (D) Our daily life is threatened with the unpredictable weather.

44 (A) Description is either objective or subjective. (B) Objective description is purely factual, uncolored by any feelings of the author. (C) At times description carries almost the entire burden of explanation. (D) Its use is not restricted, however, to what we can perceive with our senses.

46 (A) Description is either objective or subjective. (B) There are usually many from which to choose. (C) Ingenuity should not be allowed to produce excessive description. (D) Its use is not restricted, however, to what we can perceive with our senses.

47 (A) Description is either objective or subjective. (B) In this respect writers have more freedom than artists. (C) Ingenuity should not be allowed to produce excessive description. (D) At times description carries almost the entire burden of explanation.

48 Genes are usually regarded as immutable, but in reality more than 90 percent of them are____ or less active in producing protein, so some types of stimulation can wake them up. (A) mutable (B) dormant (C) predictable (D) definite

49 Adding electronic entertainment devices to a vehicle is a formula for disaster in driving safety. (A) Adding electronic entertainment devices to a car is very likely to lead to auto accidents. (B) Drivers are easily distracted by electronic entertainment devices which are formulaic. (C) We should add electronic entertainment devices to a car for the sake of driving safety. (D) The more electronic entertainment devices are added to a car, the fewer auto accidents will occur.

50 When Mary was 45, her eye doctor told her that she had to get____ eyeglasses so that she could see clearly both near and far. (A) bifocal (B) binocular (C) bilingual (D) bilateral

1. The plane developed engine trouble shortly after take-off and had to make an emergency ____________. (A) landing (B) helping (C) waiting (D) boarding