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【多选题】
牙周炎的组织破坏特点不包括( )。A.
持续性破坏
B.
长时间静止，短时间破坏
C.
长时间破坏，短时间静止
D.
进行性破坏
E.
渐进性破坏
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【简答题】阅读理解。 A Trip to the Forest One day Bob took two of his friends into the mountains. They put up their tents and then rode off to a forest to see how the trees were growing. In the afternoon when they w...
【简答题】判断正误，正确（T），错误（F）。 Bob and Jim once worked in the same factory. One day, Bob lent him ten dollars, but then Jim left his work and went to work in another town without going back to the factory. Bob had...
【简答题】用括号中动词的适当形式填空。 Bob and Jim once worked in the same factory. One day, Bob (1)_________ (lend) Jim one hundred dollars,but then Jim (2)________ (leave) his job and (3)________ (go) to work in another to...
【简答题】One day, Bob took two of his friends into the mountains. They put up their tents(帐篷)and then rode off to a forest to see how the trees were growing. In the afternoon when they were about ten kilometer...
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