题目

用括号中所给单词的适当形式填空。 1. The blue pen is _________(she). 2. ---Are these his keys?    --- No, they aren’t. They are ________(me). 3. My parents ________ (like) salad for lunch. 4. John likes __________(tomato) and apples. 5. Does your father ________ (have) a soccer ball? 答案：1. hers 2. mine  3. like  4. tomatoes  5. have函数与，当x＞0时，图像有交点个数是 [　　] A．0 B．1 C．2 D．3