B、口语交际教学能够奠定小学生坚实的语文能力基础:不但能够发展小学生的口头言语能力,满足日常生活的交际需要,而且能够为书面言语的阅读和作文发展奠定良好基础
C、口语交际教学对小学生心理发展有促进作用:为全面发展认知能力和情感提供了必要条件,对小学生的思维品质培养极为重要
D、有助于提高教学效率
Caterpillar Tractor, one of the largest producers of farm machinery in the world, has hired you to advise them on pricing policy. One of the things the company would like to know is how much a5 percent increase in price is likely to reduce sales. What would you need to know to help the company with this problem? Explain why these facts are important.
A.一张幻灯片不等同于Word的一个页面
B.一张幻灯片等同于word的一个章节
C.想要提高幻灯片的等级,就要尽可能地减少文字
D.幻灯片应多用图型和图表说话