根据短文理解，选择正确答案填空。 

    Jim is a junior high school student. He gets up 16:30 every morning. His home is near his school. He 2home after breakfast. He goes to school on foot. This is good for his 3. He has four lessons in the morning. He has lunch at home. After lunch he goes to school again. In the afternoon, Jim has lessons . He likes English and PE lessons. He has PE lessons on Tuesday and Friday. He is good at4football and basketball. He is also good at the high jump. His PE teacher likes5 very much. He often plays football with his classmates after school.

明清时期徽州妇女贞节牌坊数量惊人，下表是歙县历代受旌表的贞女烈妇人数。这反映的实质问题是（   ）

下列划线字的注音无误的一项是（     ）

在某一温度下，两个电路元件A和B中的电流与其两端电压的关系如图所示，则由图可知，元件A的电阻为　 ____　Ω；将A和B并联后接在电压为2V的电源两端，则通过A和B的总电流是　 ____　A．电阻B在1min内产生的热量是　 ____　J．