A:叶绿体中的色恭分布在囊状结构的薄膜上
B:叶绿体中的色素分布在外膜和内膜上
C:光合作用的酶躲分布在叶绿体基质中
D:光合作用的酶只分布在外膜、内膜和基粒上
John: What do you do on Sundays?
Tom: I read books and watch TV. What do you do on Sundays?
John: I do my homework . What about you, Mary?
Mary: I clean my room and watch TV.
John: You're helpful.