【多选题】下列属于生物膜法的主要特点的有()。 具有一定分布
C.
生物膜中的生物相丰富,且沿水流方向膜中生物种群
【简答题】听录音,补充句子。 1. The ___________ is above the ___________. 2. The flowers are ___________ the ___________. 3. The ___________ are ___________ tree.
【单选题】The managing director was to______the accident,although it was not his fault.
【简答题】A.The reported hero turned out to be his father. B.He did not understand his father till too late. C.Such misfortune should have fallen on him. D.It reminded him of his miserable childhood.
【简答题】听录音,写出你听到的句子。 1. ________________________________________________________ 2. ________________________________________________________ 3. ________________________________________________________ 4. ___...
【简答题】听录音,完成句子。 1. Their favourite colours are the . 2. Their favourite desserts are .