第一节：听句子，从题中所给的选项中选择与句子内容相符的图片，其中有一幅图片多余。每个句子听一遍。（每小题1分，共5分）
1. Please show me your hand and let me know where you are.
2. Mary plays the piano better than her sister.
3. Both of the twin sisters have long hair.
4. My good friend often makes me laugh.
5. Our math teacher is quite serious and he hardly smiles.