油脂在储存、运输期间，由于含有过量的水分和杂质，发生某种反应产生游离脂肪酸，使酸价增 发布时间：2017-08-16 19:19 │ 来源：www.tikuol.com 题型：单项选择题 A1/A2型题 问题： 油脂在储存、运输期间，由于含有过量的水分和杂质，发生某种反应产生游离脂肪酸，使酸价增高。这里的“某种反应”指的是（）。A.催化B.水解C.氧化D.还原E.动力反应
题型：单项选择题 A1/A2型题 阅读短文，回答下列问题。 Give Your TV a Break! We know watching TV is very interesting. But watching TV too much is bad for your eyes. So you can't watch TV too long. If you don't watch TV, what can you do? TV - Turnoff Week every year! March 20 - March 27 Join 2,500,000 families. They are doing these things together this week. take a walk go to a soccer match visit the zoo or a museum listen to music talk about their dreams read a book loudly If you want to join it, telephone 609 - 4377 before March 18! There's no fee to register (注册) your family. 1. How long does the TV - Turnoff Week last? ________________________________________________________________2. How many families will join the activity? ________________________________________________________________3. What can the families talk about together during the TV - Turnoff Week? ________________________________________________________________4. What number do you call to join the activity? ________________________________________________________________5. How much money does it take to register? ________________________________________________________________ 查看答案
题型：单项选择题 A1/A2型题 Rose said that seldom _____ to Yaxiya Department Store for shopping. [ ]A. went sheB. does she goC. she went D. did she go 查看答案