4. Rewrite the paragraphs.
Step 7. Blackboard Design
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Unit
10 When was it invented? Self Check The Sixth Period Answers to Activity 1: 1. sweet 2. salty 3. sour 4. crispy The information of the four inventions: umbrella: about 4,000 years ago in Assyria, China and Egypt. binoculars :1854 Ignatio Porro in Italy camera: 1827 by Joseph Nicephore who took the first picture bicycle: 1880s in England |