题型:选择题 So ________ student ________ that he can work out all difficult problems.A.clever a ; was heB.a clever; was heC.clever a , he wasD.a clever, he was 查看答案
题型:单项选择题 A1/A2型题 糖的细胞转运叙述错误的是()A.葡萄糖不能直接扩散进入细胞B.与Na+共转运方式是耗能逆浓度梯度转运C.与Na+共转运方式主要发生在小肠黏膜细胞等部位D.通过细胞膜上特定载体转运是耗能逆浓度梯度转运E.通过细胞膜上特定载体转运是不耗能顺浓度梯度转运 查看答案