“PZ220﹣25”和“PZ110﹣25”的两个灯泡，正常工作相同的时间，消耗的电能之比为（　　）

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素有“中亚明珠”之称的伊塞克湖（如下图），湖水终年不冻，周围为天山雪峰所围，湖面海拔1608米，面积6300多平方公里，平均水深278米，有多条小河汇入该湖，但无一条流出。游客在夏季有时能看到“湖中心晴空万里，湖岸四周的高山浓云密布，犹如一块巨大的碧蓝宝石镶嵌在灰色的幕布上”的气象奇观。

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     My name is Chen Yang. I'm twelve years old. I'm a Chinese student.

     There are four people in my family—my father, my moth er, my brother and I. My father is a doctor at the City Central Hospital and my mother is a theatre manager. My brother is a student, too. He is thirteen. We are in the same school, but not in the same class.

I like English very much. I can speak a lot of English. I want to have an American pen friend. Let's be friends, OK? Please write to me. My address is No. 22 Middle Sc hool, Hunan, China. My email is Cheny @ hotmail. com.

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