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__ a number of books on science, and in these years the number of them________ growing larger and larger. A. are。 is A [解析 ] a number of… 作主語時,謂語動詞用復數(shù)形式; the number of… 作主語時,謂語動詞用單數(shù)形式。 are C. have。 (2)a number of 意為“許多”,后接可數(shù)名詞復數(shù),其作主語時,謂語動詞要用 ________形式。當變?yōu)?被動結構時, from不可以省略。常用于“ divide…into… ”短語中,意思是“把 …… 分開”。 active的 名詞形式 是 activity,意為“ 活動 ”。 其中 it為 形式主語 , 真正的主語 是 that引導的從句 。 ( 1) muchloved意為“ 深受喜愛的 ”。s ________ invented by ______ first game on _____ became Olympic e vent in ______ in the year ________ most famous games: _________________ popular games in China: _________ played by _______________ people over ___________ countries floor two the ball basket James Naismith Berlin 1936 NBA games CBA games over 100 million 200 思維導圖 2d. Use the mind map to summarize what you and your partner remember about the development of basketball. Use the following questions to help you. invented basketball and how is i