如表为人体吸入气体和呼出气体成分含量（%）比较；为了探究人体呼出气体中二氧化碳体积分数的变化，某同学做了实验，结果如图一所示；图二为人体呼吸系统的组成及局部结构示意图，请据图、表回答：

《明太祖实录》有一段圣旨：“今天下已定，而民数未核实，其命户部籍天下户口，每户给以户帖。”而中国第一历史档案馆藏明代户帖原件所录圣旨为：“说与户部官知道，如今天下天平了也，止是户口不明白俚（哩）。教中书（省）置天下户口的勘合文簿、户帖，你每（们）户部家出榜，去教那有司官将他所管的应有百姓，都教入官，附名字，写着他家人口多少。写得真，着与那百姓一个户帖。”这说明（    ）

当北京时间为2011年4月28日1时，华盛顿（西五区）的时间是：（　　）

阅读理解

    A man had a little dog, and he liked it a lot. He would pat (拍) its head, put it on his knee and talk to it. Then he would give it some food from his own plate.

    A donkey (驴子) looked in through the window and saw the man and the dog.

    " Why doesn't he choose me as his pet?" said the donkey. "It is not fair. I work hard, and the dog only shakes its tail, barks and jumps onto the master's (主人) knee. It is not fair. "

    Then the donkey said to himself, "If I do what the dog does, the master may choose me as

his pet. "

    So the donkey ran into the room. He brayed (嘶叫) at the top of his voice. He shook his tail so hard that he knocked over a jar on the table. Then he tried to jump onto the master's knee.

    The master thought the donkey was maniacal , and he shouted, "Help ! Help ! "

    Some men came running in with sticks in their hands and they beat the donkey until he ran out of the house.

"I only did what the dog did, " said the donkey, "and yet they still regard the dog as their pet and they beat me with sticks. It is not fair. "

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