碘是人体必需的元素,但摄碘过量可致多种甲状腺病。卫生部《食用盐碘含量》标准明确指出,从2012年3月15日起,食用盐碘含量将不再“一刀切”,各地可以根据当地人群实际的碘营养水平,在规定范围内浮动添加。这体现了（  ）

①在矛盾普遍性原理的指导下研究矛盾的特殊性　②矛盾的特殊性寓于普遍性之中　③真理的具体性、条件性　④办事情要把握一定的“度”

①店铺____（pū  pù）多数正____（zhēng  zhèng）月初一到初五关门，到初六才开张。

②藏____（cáng  zàng）戏的种子随之洒遍了雪域高原。

③聚餐的目的不在于吃，而在于载____（zǎi  zài）歌载舞。

④小孩子们最喜欢又甜又黏____（nián  zhān）的麦芽糖。

阅读理解

    It is Sunday today. It is my grandma's birthday. Father, mother and I go to visit her.

    She lives with my uncle. In the morning we buy a birthday cake and some fruits and go to her house at ten o'clock.

    We spend about half an hour getting there. My grandma and uncle are very glad to see us. We give the presents to grandma and say“Happ y birthday to you! ”She is very happy. Then we sit down to talk. My uncle can cook.

    The meal is very nice. We all like it very much. After lunch, I play with my uncle. At four o'clock, we say goodbye and go home.

物体的内能与物体的____、____和____有关。对于同一物体，当状态不变时，内能由温度所决定，温度____，内能____；温度降低，内能减少。