题目内容

请利用事务实现在用户下订单时，检查商品库存是否充足。

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请利用事务在用户下订单前，检测当前用户是否已被激活，若未激活，则需激活此用户后，才能再次下订单。

Divide the following words into different groups of part of speech.Write down the equivalent letters.A. tediousB. obligeC. absorbD. excursionE. exclaimF. civilizationG. architectureH. competentI. adjustJ. destinationK. preciseL. beneficialM. assetadjectives: Anouns: Dverbs： B

Fill in the blanks with proper prepositions.1. She asked me if I was allergic seafood.2. The essay is too tedious, you'd better condense it a few paragraphs.3. He was completely absorbed reading and forgot even to take his meal.4. He was called Smith Minor to distinguish him the other Smiths.

Match the words with the explanation. Write down the equivalent letters.