【单选题】究竟应该先“学”还是先“习”?
C.
“学”和“习”相互促进,两者紧密交叉,不要等到“学”完再“习”,也不要“习”够了再“学”
【多选题】胆汁酸的主要生理功能有两个方面
B.
胆汁酸作为强有力的表面活性剂,有助于肠道不溶水的脂质形成可溶性的微团,通过极大的扩增表面积,有利于各种消化酶的作用,促进了脂质和脂溶性维生素的消化吸收
D.
胆汁酸也是机体排除胆固醇最主要的形式和途径。
【简答题】Since we have walked for two hours, let's stop _____. [ ] A to have a rest B. have a rest C. and had a rest D. having a rest
【单选题】We walked for two hours to get to the top of the mountain from ___we had fantastic views.
【简答题】阅读理解. Two men walked quietly up to the open windows of a small house in the darkness.'We can take what we want from this house,' one of them said. The taller of the two men quickly climbed through the...