牛津深圳版英语七上74theworldofnumbers一内容摘要：
different ways. 3. Train the Ss’ intonation。 get a better understanding of the character. 4. Educate Ss to be careful. 5. Educate Ss’ ability of analysis. 6. Educate Ss’ ability of analysis. 7. The puters are very B. Ask ss to find the similar of ancient numbers. 3. Ask a student to read Para2. And the other students to correct his or her intonation. And then show a picture to help the ss to understand what the system of numbers today is. Ask a question: What’s the importance of the invention of the zero? 4. Ask Ss to read Para 3to six. Ask: How many calculating machines are there in the book?[ 5. Analysis the abacus’s features. 6. Expla。阅读剩余 0%
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