题目内容

目前食品辐照杀菌技术包括和两类。

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食品超高压处理一般采用 ~MPa压力。

用臭氧杀完菌的饮用水一般不宜马上饮用，是因为水中的残留臭氧存在一定时间的半衰期不能马上消除，对人口腔和食道粘膜会造成伤害。

A. 对
B. 错

被评估资产未来5年内各年预期收益均为350万元，若折现率为10%，则该资产的评估值为（）万元？（系数保留至小数点后四位，计算结果保留至小数点后两位）

Part 2 Vocabulary & Structure (30 points)Section A Choose the correct option for each sentence.1. These shoes are really growing in ___ with younger customers.A. unpopularB. popular C. popularityD. unpopularity2. We _ really late last night, as we were shopping for bargains online.A. stayed up B. stay up C. staying upD. stays up3. It’s a great competition, as there are _ from all over the world.A. participated B. participant C. participantsD. participate4. The two sisters didn’t have much money so they _ to get their parents a special birthday present.A. teamed with B. teamed overC. teamed inD. teamed up5. I think Tony is _ hurt because nobody has remembered his birthday.A. feeling B. feltC. feelsD. feel6. We’re really looking _ to Saturday, because we’re planning to go to the new mall.A. upB. forwardC. overD. around7. It’s a great shop. You can get lots of fashionable clothes _ a discount.A. onB. inC. toD. at8. Have you heard the news? Pete and Juliet have split_.A. upB. inC. onD. at9. Can we go for a walk in the park? I want to show _ my new shoes.A. underB. offC. onD. in10. I love shopping, so I think I’d like a career in ___.A. lootB. spreeC. retailingD. purchase