A:饭后半小时,图中的激素②分泌增加,该激素是由图中的α细胞分泌的
B:结扎胰导管后导致腺泡组织变性,但胰岛不变化,结扎动物也不产生糖尿病症状
C:激素①和激素②都作用于肝脏,其作用区别在于激素②促进糖元合成,激素①促进糖元分解或非糖物质转化为葡萄糖
D:激素②的分泌也可以作用于胰岛细胞引起的激素①的分泌
如图是甲和乙的溶解度曲线.下列说法中正确的( )
短文改错。
One summer evening, I was playing and ____ some childs ____ by a river. We saw a lot of frogs(青蛙) in the water. One of us said, “Let's to see ____ who can Catch most ____ frogs.” Then we began. After while____ we caught a lot. We are ____ having a good time when a farmer shouted at us. “Don't caught ____ frogs!” Then he told us how importance ____ they are to farming. They eat a lot of bad insects(害虫) every year, Caught ____ frogs must be stopped. After hear ____ that, we felt very sorry.