The main idea of this passage is that ______. 2022-01-07 Which of the following is NOT mentioned as a reason for the decline in amateur singing？ 2022-01-07 By stating "We are alive only to the sound of the TV and the stereo" in paragraph 5, the author means ______. 2022-01-07 Many studies have suggested that ______. 2022-01-07 The author uses "television advertising" as an example to show that ______. 2022-01-07 Robert J. Oppenheimer was a famous American physicist, who directed the【1】of the first atomic bombs. 2022-01-07 The example of the roses emphasizes the ______. 2022-01-07 Americans in general believe that ______. 2022-01-07 The towel experiment shows that ______. 2022-01-07 It is implied in the last paragraph that ______. 2022-01-07