题目内容
若定义int a=12,n=5,则表达式a%=(n%2)运算后，a的值是（ ）
查看答案
搜索结果不匹配？点我反馈
更多问题
Time markersEventWhen our car __1__ to a stop at the beach，we saw the Mediterranean Sea, and I knew the beach was known for its ___2__ rip currents. I ____3___ with fear.Suddenly I heard shouting in French. A _4_ of people were running into the sea, fully clothed. That’s __5__, I thought...I __6__ something moving up and down amid the waves. That’s a little boy out there!...Sucking in a deep breath, I __7__ myself into the water.As soon as I jumped in， I felt like I was back in that pool, breathless, struggling, terrified. I swam with all my__8__, reaching the boy just as he sank below the surface. I grabbed his arm and pulled.When I turned back, I fought to get us back to land, but made little__9__. I remembered what I’d learned in my life saving class and we slowly made our way to__10__.
小学数的概念教学脱离具体情境，学生只是机械式地重复练习，一旦改变形式就无从下手。
在小学教学中，有些教师考虑到学生对于抽象的数的概念理解有困难，所以教学时刻意将概念分开来讲授。这种教学方法虽然注意到了学生在理解上困难，但是会让学生感觉到学的知识比较零散。
在教学过程中，为了能够保证学生在学习过程中逐步加深对数的概念的理解，并且能够有意识地扩展数的概念，教师在整个教学过程中，应不断建构以及解构数地概念
微信支付 
支付宝支付