The key to the industrialization of space is the U... 2022-01-07 Which of the following statements is implied but not stated？ 2022-01-07 The author's purpose in writing this passage is______. 2022-01-07 It can be inferred from the passage that______. 2022-01-07 According to the passage, the preservation of rain forests______. 2022-01-07 In analyzing the environmental forces acting on man the author suggests that______. 2022-01-07 How has science done something harmful to mankind？ 2022-01-07 The passage is meant to______. 2022-01-07 What does the passage mainly discuss？ 2022-01-07 What is the main idea of this passage？ 2022-01-07