题型:问答题 简答题 Jackie would like to buy an iphone 5 but _____ was available from that shop.A.noneB.nothingC.no oneD.neither 查看答案
题型:问答题 简答题 骨骼肌三联体的结构和功能是:()。A.一个横小管(传递兴奋)和两侧的终池(储存释放钙离子)B.二个横小管(传递兴奋)和一个终池(储存释放钙离子)C.一个横小管(传递兴奋)和一个终池(储存释放钙离子)D.一个横小管(储存释放钙离子)和一个终池(传递兴奋)E.二个横小管(储存释放钙离子)和一个终池(传递兴奋) 查看答案