密闭的保温装置中装有正在萌发的种子，每隔一段时间测定其内的温度和氧气含量，并将结果绘制成曲线．横轴表示时间，纵轴表示温度（甲）和氧气含量（乙）．下列曲线能够正确反映甲、乙随时间变化的是（　　）

①是联合国的创始国和安理会常任理事国

②坚持并弘扬联合国宪章的宗旨和原则

③积极履行国际义务，勇于担当国际责任

④坚决维护发展中国家优先发展的权利

①核膜的有无②核糖体的有无 ③细胞壁的有无 ④细胞颜色的有无

任务型阅读

I have a good friend. ①他叫汤姆。He is a nice boy, but he eats too much and he doesn’t like sports.

He has a big breakfast every morning. He has four eggs, some bread and milk. For lunch, he eats two hamburgers, ② lots of French fries and chicken. He has much cola, too. For dinner, he likes beef(牛肉) and salad. He likes ice cream, cola, hamburgers and dessert.

③ Too much food is not good for him. And he is not healthy.