【简答题】The trip includes (relax) _________ fishing on West Lake.
【简答题】(relax)Fishing and mountain-climbing are his favorite ____________.
【多选题】关于突触的描述,正确的是
A.
是神经元与神经元之间或神经元与非神经细胞之间的一种特化的细胞连接
D.
突触前成分内有许多突触小泡,小泡内含有营养物质
【单选题】It was not until he took up fishing that he ____ to relax.