SummarizationRead each of the following short paragraphs and complete the phrase or sentence that expresses the main idea of the paragraph. The first letter of the missing word is given before the blank.Paragraph 1We do not realize how much e depend on the earth’s gravity we are deprived of it. Then our feet no longer stay on the ground, we float around in the air, and the slightest touch may send us drifting off in the opposite direction.1. Situation in absence of g_______.
【正确答案】：gravity
【题目解析】：P147
