缺词填空。

     Millie's school is (1)c______  Beijing Sunshine Secondary School. It is very big and clean. There are

many(2) s______ at her school. Amy is her (3)b______ friend. There are big trees around the playground.

They often sit (4)u______ the tree and chat with each (5)o______. Sometimes they play together. Sometimes

they sing and dance there. Her (6)f______ lessons are Chinese and English. She spends two hours every day

(7)d______ her homework. She likes (8)r______ and goes to the Reading Club after school every Tuesday

and Friday. She also likes playing volleyball. She is a very good volleyball (9)p______. She always (10)h______

a good time at school.

下图表示³H-亮氨酸标记细胞内的分泌蛋白，追踪不同时间具有放射性的分泌蛋白颗粒在细胞内分布情况和运输过程。下列相关说法中，错误的是

A．该过程可以体现生物膜之间结构和功能具有密切的联系

B．放射性出现的先后顺序是核糖体→内质网→高尔基体→分泌小泡

C．图中所采用的研究方法可以用于研究DNA的半保留复制

D．该过程无需线粒体的参与