题目

下图中的甲、乙分别代表肌肉细胞和叶肉细胞，图中B区代表他们之间的共同点，则C区含有下列哪些细胞结构（） ①细胞壁 ②细胞膜 ③细胞质 ④细胞核 ⑤叶绿体 ⑥液泡 A . ①⑤⑥ B . ②③④ C . ①④⑥ D . ②③⑥ 答案：A His neighbour is _________ one-legged man. He lost one of his legs in the war when he served in the army.A./ B.the C.an D.a