LED灯带在装饰材料中被广泛应用．小明同学在研究其内部结构时发现，灯带中的LED灯串联后经电源适配器接入照明电路，如图所示．她取下一只LED灯接在电池两端，灯不亮，对调电池正负极后灯亮了，用手触摸几乎感觉不到发热．以下推断符合上述事实的是（　　）

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******指出，我们强调把公有制经济巩固好、发展好，同鼓励、支持、引导非公有制经济发展不是对立的，而是有机统一的。公有制经济、非公有制经济应该相辅相成、相得益彰，而不是相互排斥、相互抵消。从哲学角度，这体现出现阶段（    ）

①公有制经济和非公有制经济可以消除差异和对立

②要全面准确的认识矛盾统一体内双方的地位作用

③非公有制经济与公有制经济的协调性是主流

④公有制经济和非公有制经济在矛盾体内地位平等

    An old porter (搬运工人) had worked for the railway for a very long time. One morning he was standing in one of the big railway stations and waiting for travelers to ask him to help them with their luggage, when he saw a small man running toward the trains with a big bag in his hand.

    The porter watched the man for a few seconds, and the man saw the porter.

At once the small man ran up the porter and said, "Can I catch the 10：35 train to London, porter?" He was breathing very fast, and he seemed worried.

    The old porter looked at him for a moment and then said with a smile, "Well, sir, I'd like to help you, but I can't answer your question because I don't know how fast you can run along rails. You see," he explained, "the 10: 35 train to London left five minutes ago."