排序方式: 共有17条查询结果,搜索用时 0 毫秒
11.
12.
Wendy Franklin 《英语沙龙》2010,(12):12-12,49
A university in Canada was celebrating its 20th anniversary and invited its alumni to a reunion party. Eleven graduates from the same Business Administration class, together with their professor, were delighted to meet each other again and shook hands. Altogether, how many handshakes are there in this exchange of greetings? 相似文献
13.
苏霍姆林斯基说,观察对于儿童之必不可少,正如阳光、空气、水分对于植物之必不可少一样。学会观察是学生写好作文的条件之一。笔者在《匆匆》教学中发现,这篇课文对教育学生观察生活有很好的启迪意义。 相似文献
14.
《华夏少年(简快作文 )》2019,(7)
数感通常指对数的意义,数的多种表示形式和关系的理解,能把握数的大小之间的关系以及能对数学问题选择适合的解决算法。首先解释了数感的概念,并从数一数,估算能力的培养,摆一摆的活动等方面阐述在认识100以内的数中如何培养学生的数感。 相似文献
15.
16.
Wendy Franklin 《英语沙龙》2011,(1):22-22,64
The Smith Jones Robinson Riddle
On a train, Smith, Robinson and Jones are the fireman, the brakeman and the engineer, but NOT respectively. Also aboard the train are three businessmen who have the same names: a Mr. Smith, a Mr. Robinson and a Mr. Jones: Using the clues below, can you determine the identity of the Engineer?. 相似文献