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1. The situation comedy has proved to a remarkably durable commercial television format.(1)____
译文：情景喜剧已经被证明是一种相当持久的商业电视形式。
2. Almanacs m simple form have been known from the invention of writing.(2)____
译文：简单形式的年鉴从书写发明以来就已经为人所知了。
3. It has not been determined how years sea turtles can live in their natural environment, but they will reach a very old age if left undisturbed by humans.(3)____
译文：还不确定海龟能在自然的环境中存活多少年，但如果不受人类干扰的话，它们可以活很久。
4. A patent gives inventors exclusive rights to their inventions for a fix period of time.(4)____
译文：专利给予发明者一段特定的时间独享他们的创造成果。
adj. 耐用持久的
n. (复)耐用品
