下列各式结果是0的是（　　）

①溶酶体内含有多种水解酶，能分解衰老、损伤的细胞器

②动植物细胞都有两个互相垂直排列的中心粒

③用高倍镜观察叶绿体可选用黑藻叶

④所有酶、抗体、激素都在核糖体上合成

⑤衰老细胞中的线粒体功能增强

⑥叶绿体是所有生物进行光合作用的场所，含有蛋白质、磷脂、光合作用所必需的酶等成分

⑦线粒体是有氧呼吸的主要场所，在其中生成的产物有丙酮酸、二氧化碳和水

下列各句中,语意明确,没有语病的项是 (     )

    We call the Chinese New Year the Spring Festival. There is a name for each Chinese year. We may call it the year of the Dog, the year of the Monkey or the year of the Pig, etc. And this year is the year of the Snake.

    Before New Year's Day, people are busy shopping and cleaning their houses. On New Year's Eve, there is a big family dinner. After dinner all the family stay up late to welcome the New Year. On the first day of the New Year, people put on their new clothes and go to visit their friends and relatives. They say “Good luck” and some other greetings (问候) to each other. People usually have a very good time during the festival.