This is a complex process that requires molecular feedback between neural stem cells and microglial cells, which release and express a multitude of molecules.which指代的是process还是microglial cells?
Rich economies are also less dependent on oil than they were, and so less sensitive to swing in the oil price.在这句话中,than 后边接的是they were, than的词性是什么?than具有介词、连词两个词性。
Jason is currently in Britain to finish recording his second album which is due out in May.这句话的成分怎么分析呢?或者说to finish或者recording his second album...作表语呢?