【简答题】Listening Listen to the recording and answer the following questions. 1. When you receive a job offer, what issues must you consider before a decision? 2. Can you ask your potential employer di...
【简答题】Read the diagram in banana juice , and answer the following questions: 1、Why is citric acid used? 2、What’s the purpose of blanching? 3、Why was amylase added? 4、Why was pectinase added?