7. The underlined word "they " in paragraph 3 refers to ______.
举一反三
- The underlined word “it” in the second paragraph refers to ________.
- The word “it” underlined in Paragraph 4 refers to ____
- The underlined word “event” (Paragraph l) refers to__________.
- The underlined word "it" in Paragraph 2 refers to _____. A: chess B: a scientist C: the danger D: Al
- The underlined word "they" ( paragraph 5 ) refers to ______. A: cell deaths B: diseases C: instructions D: cells