第2题: [单项选择]整数1用了1个数字，整数20用了2和0两个数字。那么，从整数1到1000，一共用了( )个数字1。 A. 250 B. 300 C. 301 D. 302 参考答案:C 答案解析:[解析] 根据题意，采用分类法解答。(1)个位上每十个数出现1次，共1×(1000÷10)＝100； (2)十位上每一百个数出现十次，共10×(1000÷100)＝100；(3)百位上海一千个数出现一
第5题: [简答题]What are the techniques which you can use to teach intonation in a meaningful way? 参考答案:
To teach intonation in a meaningful way, we could choose from the following ways:
1) Using realia to set up a situation that would illustrate the difference in attitude.
2) Using mood cards.
3) Creating roles.
