请利用事务实现在用户下订单时,检查商品库存是否充足。
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.