Unit 6When was it invented?

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第一课时 Section A (1a—2d)
Ⅰ. 根据首字母及句意补全单词。
1.Mary always likes wearing shoes with high h .
2.You can save e by turning off lights not in use.
3.We were asked to l our ten favorite songs on the paper.
4.Many great inventions were m in the morning news today.
5.The smartphone is of great importance in our d life.
Ⅱ. 根据汉语意思完成译句。(剩余13838字)