【单选题】听力原文:W: I enjoy the beach when the sand is fine and the water is barely making waves. I may feel like a mermaid who lives in a peaceful and gentle world. M: I prefer an angry sea which makes me feel b...
【简答题】Listen and complete the flow chart below. Write NO MORE THAN TWO WORDS for each answer. 1. stage: to remove large objects 2. stage: to separate solid matter from waste water 3. stage: the water is put...