读下图，回答问题：①地存在的主要生态问题（ ）
A．天然林减少
B．土地盐碱化
C．洪涝灾害
D．沙尘暴
答案：A
题目分析：根据图示经纬度位置可知该区域位于我国东北地区的长白山一带，该地原生林破坏严重。故选A；土地盐碱化在我国黄淮海平原较为突出，故B错误；洪灾主要发生在我国东部和南部地区的河流中下游，故C错误；沙尘暴主要发生在春季3～5月，以西北、华北地区为主，故D错误。
Directions: For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in the blank with the word or phrase that best fits the context. Recently I overheard a father and daughter in their last moments together at the airport. The airline had announced her and standing near the security gate, they hugged and he said, “I love you. I wish you enough.” She said, “Dad, our life together has been more than enough. Your love is all I ever needed. I wish you enough, too, Dad.” They kissed and she left. He walked over toward the window where I was seated. Standing there I could see he wanted and needed to . I tried not to interrupt him, but he me in by asking, “Did you ever say good-bye to someone knowing it would be forever?” “Yes, I have,” I replied. “Forgive me for asking, but why is this a forever good-bye?” “I am and she lives much too far away. I have ahead, and the reality is, the next trip back will be for my funeral” he said. “When you were saying good-bye I heard you say, ‘I wish you enough’. May I ask what that means?” He began to smile. “That’s a wish that has been for many generations within my family. My parents say it to everyone.” He paused for a moment, looking up as if trying to remember it , and then he smiled and the following: “I wish you enough sun to keep your attitude bright. I wish you enough rain to appreciate the sun more. I wish you enough happiness to keep your spirit alive. I wish you enough pain so that the smallest joys in life appear much . I wish you enough gain to satisfy your wanting. I wish you enough to appreciate all that you possess. I wish you enough ‘Hellos’ to get you enough the final ‘Good-byes’.” Then he walked away, leaving me lost in thought.
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