5 . Although it was ten years ago ________ I read the book, it shows me a universal truth that books are friends, always pushing us to move on. (用适当的词填空)

6 . While the Qinling Mountains have long been known as the northern edge of giant panda habitat, _________ was only in 2005 that the Qinling panda was recognized as a distinct subspecies of giant panda. (用适当的词填空)

7 . 最初茶被用作药物而不是饮品。传说，古代中国神话中的统治者神农曾尝遍百草，并因此多次中毒。正是茶帮助他消除了中毒的影响。后来，古代中国人对茶的了解越来越多，它不再被视为一种药物，而是一种饮料。因此，最初，茶只被用作药物，并因其药用价值而闻名。除此以外，有时茶还被用于烹饪。(汉译英)

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10 . It was he who had convinced me to work here, otherwise I would have become a nurse. (英译汉)
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