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　　060. In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced.

　　The word "related" is closest in meaning to which of following?

　　(A) connected

　　(B) described

　　(C) completed

　　(D) identified

　　061. If observations confirm the scientists' predictions, the theory is supported.

　　The word "supported" is closest in meaning to which of following?

　　(A) finished

　　(B) adjusted

　　(C) investigated

　　(D) upheld支持维护

　　062. The ice trade grew with the growth of cities. Ice was used in hotels, taverns, and hospitals, and by some forward-looking city dealers in fresh meat, fresh fish, and butter.

　　The phrase "forward-looking" is closest in meaning to which of following?

　　(A) progressive

　　(B) popular

　　(C) thrifty

　　(D) well-established

　　063. Making an efficient icebox was not as easy as we might now suppose. In the early nineteenth century, the knowledge of the physics of heat, which was essential to a science of refrigeration, was rudimentary.

　　The word "rudimentary" is closest in meaning to which of following?

　　(A) growing

　　(B) undeveloped

　　(C) necessary

　　(D) uninteresting

　　064. Aside from perpetuating itself, the sole 唯一的purpose of the American Academy and Institute of Arts and Letters is to "foster, assist and sustain an interest" in literature, music, and art.

　　The word "sole" is closest in meaning to which of following?

　　(A) only

　　(B) honorable

　　(C) common

　　(D) official

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