阅读短文,判断句子对(√)错(×)。 Shopping Salesgirl: Can I help you? Joe: Six apples, please. How much? Salesgirl: Four yuan. Robin: What are these? Salesgirl: They are watermelons. How many do you want? Robin: Only one, please. How much? Salesgirl: Ten yuan. Joe: Robin, look! These peaches (桃子) are nice. Salesgirl: How many do you want? Joe: Five, please. How much are they? Salesgirl: Seven yuan. Robin: What are these? Salesgirl: They're pineapples (菠萝). Do you want some? Robin: Yes. Two, please. How much? Salesgirl: Nine yuan. ( ) 1. Robin wants six apples. ( ) 2. One watermelon is ten yuan. ( ) 3. Joe wants five peaches. ( ) 4. Two pineapples cost (花费) nine yuan. ( ) 5. Six apples cost six yuan. ( ) 6. Robin wants six pineapples.