73. What is most likely the main purpose of writing the passage?
(A) To promote the achievement of working-class students.
(B) To clarify the assumed homogeneity of the middle class.
(C) To illustrate the differences between vertical and horizontal distinctions.
(D) To explain the differences between middle-class and working-class students.

69. What is the main idea of the passage? (A) The author criticizes the validity of a test. (B) The author teaches children how to take a test. (C) The author complains that students fail in a test. (D) The author argues for the importance of taking tests.

70. Which of the following is true according to the passage? (A) The word “unhappy” should not be included in the test. (B) Multiple-choice questions are not suitable test formats. (C) Children who fail the vocabulary test are not good at English. (D) Selecting synonyms for the target word is an appropriate test type.

71. The phrase “zero in on” in line 13 is closest in meaning to? (A) Glance. (B) Overlook. (C) Scrutinize. (D) Categorize.

72. What is implied in underlined sentence, “it has led some commentators to posit that students like these are cognitively and linguistically deficient in some fundamental way”? (A) Such a statement worries the author. (B) Such a statement pleases the author. (C) Such a statement soothes the author. (D) Such a statement excites the author.

74. Based on the passage, which of the following statements is NOT true for the middle classes? (A) Educational backgrounds could be a predictor for their future income. (B) The most insignificant type of the middle classes was petit bourgeoisie. (C) It was not possible to differentiate managerial classes from professional classes. (D) Moving from managerial to professional was considered as a promotion.

75. The word “consolidate” in line 7 is closest in meaning to? (A) Alleviate. (B) Strengthen. (C) Expand. (D) Weaken.

76. What can be inferred from the passage? (A) The working class is more heterogeneous than the middle class. (B) There is progression from managerial roles to petit bourgeoisie. (C) Middle-class students are likely to have equal educational opportunities. (D) There are different classification principles for horizontal distinctions.

77. What is the main idea of the passage? (A) Scientists tend to think of science as self-correcting, but it is not. (B) Politicians should not have used priming studies to please the populace. (C) Reproducibility is the foundation for verifying scientific research. (D) Irreproducibility has troubled scientists and governments.

78. What is the tone of the article? (A) Objective. (B) Nostalgic. (C) Cautionary. (D) Malicious.

79. According to the passage, what can be inferred from the passage? (A) Governments should decrease funding for research. (B) There should be less academic pressure to publish. (C) Drug companies should pay more for research. (D) Priming studies will continue to be a promising research area.