56. A The ever-rising children prices
57. C Why children workers' pay has not increased with the rising childcare costs
58. B Strict government regulations
59 D Each teacher is allowed to care for more kids
60 B Less elaborate rules about childcare might lower costs
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61. D can hardly tear themselves away from the Internet
62. D Examine the influence of technology on the human mind
63. A It enables people to work more efficiently
64. B It somewhat restrains architects' productive thinking
65. C They exercise self-control over their time online
