题目：
根据句意及首字母提示完成单词。
1. What's the p______of the hat?
2. —My T-shirt is old. —I want to b______ a new one.
3. —How much are the shoes? —It's thirty d______?
4. May I h______ you?
5. The shop s______ school things.
6. The sweater is only ten yuan. Everyone can a______ the price.
7. W______ to our school.
8. You can buy these s______. They are only five yuan.
9. —How much are these p______? —They are eighty dollars.
10. —What color is the b______? —It's black and white.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B解析：心源性休克伴房颤，静脉注射毛花苷C能增加心肌收缩力，增加心排出量，提高血压。
