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
1. I’m going to take a break from studying. I’m________ (too/enough) tired to concentrate.2. I’m worried that we don’t have ________ (enough/such) food for our dinner party tonight.3. Billy’s ________ (too/such) a nice man—he’s always friendly and happy to help other people.4. She’s sorry she can’t come with us this weekend. She says she has ________ (such/too) much to do.5. Their teacher is ________ (such/so) strict! I can’t believe how much homework she gives them.