阅读理解（共15小题，每小题2分；计30分）
阅读下面短文，根据短文内容判断句子的正误，正确地写A错误的写B。（共5小题，每小题2分；计10分）。
Jerry White is a boy. He is nine years old. He is in Class Three, Grade Two. This is his dog. I don't know its name. I think it is three years old. That is his schoolbag. You can see a pencil, a math book, two Chinese textbooks(课本) and an English-Chinese dictionary in it. His good friend is David. David is an English boy. He is nine, too.
Jerry White is a girl.
Jerry White is in Class One, Grade Two.
Jerry White’s dog’s name is Mimi.
You can't see a ball in Jerry White’s schoolbag.
David is nine years old.