单项选择题运到细胞膜外的肽聚糖单体要进一步合成肽聚糖网套，其合成的引物为( )。 A. Park核苷酸 B. 肽聚糖 C. 细菌萜醇 D. 磷壁酸
单项选择题The reason why I didn't go to France was _________ a new job.A、because I got B、he got it C、for that I got D、that I got
