题目

IV. Reading Comprehension (40 points) Directions: Read the following four passages. Each passage is followed by several questions or unfinished statements. For each of them there are four choices marked A,B,C and D. Choose the one that fits best according to the information given in the passage you have just read. (A)   The first day of school our professor introduced himself and challenged us to get to know someone we didn’t know. I stood up to look around when a gentle hand touched my shoulder. I turned around to find a wrinkled, little old lady beaming up at me with a smile that lit up h如图为植物细胞结构示意图：（1）细胞中控制物质进出的结构是[②]细胞膜细胞膜．（2）切西瓜时，会流出许多甘甜的汁液，这些汁液来自的结构是[⑤]液泡液泡．（3）“种瓜得瓜，种豆得豆”．决定这种生物现象的物质，存在于细胞结构中的[④]细胞核细胞核．