图中所画出的磁极间的磁感线的分布情况，正确的是（ ）
A：
B：
C：
D：
计算
在城市和经济发达地区，因缺乏合理营养知识，膳食摄入不平衡．加上活动量不足，青少年肥胖率逐年上升．下面是一份较为合理的早餐食谱：几块面包、一杯牛奶、适量的蔬菜和水果．请据图回答：
My House
I am Jenny. Look! This is my house. What's in the house? Let me show you the rooms. This is the kitchen. Here is the bathroom. That is the living room. Here is my bedroom. That is Danny's bedroom. His bedroom is very nice.
看图列算式。
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