1. [教材原文] What would you do if you had a million dollars? 如果你有一百万美元,你将干什么? [链接考点] (1) — What would you do if you _____ the traffic accident? — I would ______. (2012年湖北黄冈) A. see; do my housework f
The conformation of silk fibroin(SF) frozen with polyethylene glycol(PEG) at a molecular weight from 2kDa to 20kDa and a mass ratio of PEG:SF from 1:5 to 10:1 w