阅读理解A

    Hello,everybody!Look at this picture．This is a nice Sunday afternoon．My family are having a great time．
    I am Bob．I am having bread and listening to my father telling me a story from the newspaper．He thinks it's interesting．Look at my mom．She is listening to the radio．She likes music on it．My two sisters Rose and Sally are plying．Rose is only one year old and Sally is three.My grandpa is having a nap(打盹)．He always has a nap when he has nothing to do．My grandma is drinking a cup of tea．She likes her tea with a lot of milk in it．My cousins are busy．Ken is watering the flowers(浇花)and Mike is cleaning the windows(窗户)．Where is my pet cat Pussy? Oh, it is running after the birds．
    I really like an afternoon like this．
根据材料内容选择最佳答案。

如图，电源电压不变，R₁=6Ω，R₂=4Ω。

把买左边物品要用的钱圈起来。

下列各组有机物，无论以何种物质的量的比例混合，只要总物质的量一定，则完全燃烧消耗氧气的量为一恒定值的是（      ）

下列关于南亚的叙述，错误的是（    ）