题目

完形填空Itwas my first day to Miss Hargrove's eleventh grade. Past newcomerexperiences had been difficult, so I was very 1tofit in. After being introduced to the class, I bravely put on a smile and tookmy seat.Lunchtimewas a pleasant surprise when the girls all crowded around my table. They werefriendly, so I began to 2. My new classmates told me about theschool, the teachers and the other kids. They 3outthe class nerd (书呆子)to me: Mary Lou. She was a pretty girl with dark eyes and olive-skin, 4shewore a long woolen skirt and an old-fashioned blouse. She looked stupid. Thegirls whispe与植物细胞相比，动物细胞不具有的结构是（　　）A. 细胞核 B. 细胞质 C. 细胞膜 D. 细胞壁