生态学研究更加注重生物的生境与小环境，为什么
参考答案：生态学研究更加重视生物的小环境，显然，研究生活在地表凋落物层的甲虫，是没有必要了解树林20m高度以上的温度情况的。此外，即使生物是处于同一地区、同一季节和同一天气类型之中，但由于小环境的不同，它们实际上是受到彼此不同的小气候影响而生活在完全不同的气候条件下。例如，在严寒季节，即使雪被上的气温是零下60～70℃，雪被下土壤表面的气温仍维持在10～20℃；雪上生活的动物忍受着低温，而雪下生活的动物，实际上是生活在类似南方的小气候中，它们是因为有了适宜的雪下小环境，才能在冬季寒冷的地区生活下来。植被个体表面不同部位也存在着不同的小环境。
At the age of 15，I paid my first visit to Disneyland in America. It wasn't the first time for me to be ___36___ . Like most English children I learned French ___37___school and I had often been to France，and I ___38___ speaking English to people who didn't understand ___39___ . So ___40____ I went to America，I was really looking forward to ____41___ a nice easy holiday without any ___42____problems. ___43___ wrong I was! The misunderstanding ___44___at the airport. I was looking for a ___45___ telephone to give my friend Danny a ___46____ and tell her that I had arrived. A___47___ old man saw me looking lost and asked ___48___ he could help me.“Yes，”I said，“I want to give my friend a ring.”“Well，that's nice，”he said，“Are you getting ____49____ ? But aren't you a bit young?” “ ___50___ is talking about marriage?” I replied. “I just want to call her to tell her I've arrived. Can you tell me ___51___ there’s a phone box?” “Oh!” he said, “there's a phone downstairs.” When at last we did meet up，Danny explained the misunderstanding to me. “Don't worry，”she said to me，“I had so many ___52___ at first. There are lots of words which the Americans ___53___ differently in meaning from us British. You'll soon get used to ___54___ funny things they say. Most of the ___55___, British and American people understand each other!”
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