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问题 单项选择题

防止柑桔受到冻害的一种方法是向其枝条上喷洒（）当其变为（）时将释放出潜热。

A.冰渣；水汽

B.冰渣；液水

C.水滴；水汽

D.水滴；冰

答案

参考答案：D

综合

环境保护

材料一：丹麦地理位置图(10分)

材料二：丹麦 位于欧洲北部。南同德国接壤，西濒北海，北与挪威瑞典隔海相望。海岸线长7314公里。地势低平，平均海拔约30米。距离丹麦日德兰半岛东岸15公里的海中央，坐落着一个树木葱茏，但从外表看来毫不起眼的小岛——萨姆索岛。该岛平均海拔不到30米，小岛根本上实现了能源自给自足，并且能源基本上来自于可再生能源。11座岸上风力涡轮机和10座海上风力涡轮机日复一日的转动，满足岛上4000名居民所有的电力需求。萨姆索岛早已实现‘碳中和’（指通过各种方式中和抵消制造的二氧化碳排放量）的目标。

（1）丹麦矿物能源使用量不大，但却是欧洲酸雨最严重的地区之一，分析原因（4分）

（2）简述丹麦开发利用风能资源的有利条件（6分）
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单项选择题

E


It was December 25. Marie, a 13-year-old Australian girl, was happy. It was Christmas and Marie’s mother was making a very special cake. She put four small coins into the cake and then baked it. The four coins were for good luck. After dinner, Marie and her family ate the cake. They found three coins in the cake and put them on the table. Where was the fourth one It was missing(找不到的), but Marie’s mother didn’t notice.
After Christmas, Marie got sick. She coughed and couldn’t speak. Marie’s parents took her to hospital. Doctors at the hospital looked her over and then said," We are sorry, but we can’t help her. "For 12 years, Marie didn’t speak. But like other common people, she grew up, she got a job, she got married. One day, when Marie was 25 years old, she got a sore throat. She began to cough. She coughed up something small and black. What was it Marie didn’t know. She took it to a hospital. A doctor at the hospital said," This is a coin!" The doctor told Marie," I think you can speak again. \

Why did Marie go to the hospital 12 years later ( )

A．Because she had a bad cold and began to cough.

B．Because she heard the doctor there could help her speak again.

C．Because she wanted to know what the small and black thing was.

D．Because she think she can speak again.
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