三、根据方框的内容进行连线。

￥40 ￥50 ￥80 ￥30 ￥60
1. The sweater is fifty yuan.
2. The trousers are eighty yuan.
3. The bike is thirty yuan.
4. The plane is sixty yuan.
5. The ship is forty yuan.

1. 观察图片可知 sweater（毛衣）对应的价格应该是 50 元，与“The sweater is fifty yuan.”匹配。
2. trousers（裤子）对应的价格应该是 80 元，与“The trousers are eighty yuan.”匹配。
3. bike（自行车）对应的价格应该是 30 元，与“The bike is thirty yuan.”匹配。
4. plane（飞机）对应的价格应该是 60 元，与“The plane is sixty yuan.”匹配。
5. ship（轮船）对应的价格应该是 40 元，与“The ship is forty yuan.”匹配。
1. sweater — ￥50
2. trousers — ￥80
3. bike — ￥30
4. plane — ￥60
5. ship — ￥40