题目

阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。My family Here is a photo my family. There (be) five people in my family. They are my grandfather, my parents, my little sister and me. The old man is (I) grandfather. This (be) my father. (He) name is Eric. He is a teacher.(those) is my mother. is a teacher, too. Her is Sarah. She's very nice. The girl is my . Her name is Sally. Who's the boy in yellow? It's (I). My name is Dale.11．某种锂电池的总反应可表示为：Li+MnO2=LiMnO2．以下说法正确的是（　　）A．LiMnO2为新型氧化物B．该反应属于化合反应C．该反应中锰元素的化合价没有改变D．反应物Li为+1价