【单选题】听力原文:LECTURER: Mum. What you have so far is ideal for the home or office but what about commercial applications? TONY: Well, we're going to demonstrate the nutrient film technique which is popular wit...
【简答题】Section D 听力原文: Firstly, the student has to understand what the Example lecturer says as he says it. A non-native speaker may find himself unable to recognize words in speech which he understands stra...