Unit 1 When was it invented?检测题
(时间：60分钟；满分：100分)
一、 听力部分（满分20分）
Ⅰ. 听句子，选择正确的应答语。每个句子读一遍。（每小题1分，满分5分）
1. A. By George Crum. B. In 1863.
C. They are crispy.
2. A. It’s used for calculating. B. It’s a great invention.
C. By the Chinese.
3. A. Because it’s too sweet. B. I li ke the colour.
C. Would you like some?
