3. A。推断题。对文章倒数第5段最后一句My advice is to say ‘yes’ only if you don’t mean ‘no’.反过来理解：只有当你不肯定的时候说“不”，可推知此题答案为A。

2. B。推断题。根据Susie Watson所说的I would rather have someone give me a loving ‘no’ (我倒愿意听一声有爱意的否定)可推知此题答案为B。

1. D。推断题。根据Charles 所说的 Saying ‘no’ to others means you are saying ‘yes’ to yourself(否定他人就意味着肯定自己)可推知此题答案为D。

4. If a person says “no” to everything, the result he or she receive may be that he or she _______.

A. enjoys a wonderful life　　 B. makes a lot of money

C. faces difficulty in life　D. forgets to say “yes” in the end

[答案与解析]本文说明了人们在生活中敢于说“不”的重要性，同时也提醒人们应注意不要走向极端。

3. In Watson’s opinion, people can save much time on condition that _______.

A. they say “no” at a suitable time

B. they say “no” as much as possible

C. they are afraid of saying “no”

D. they make others angry at them

2. When you say “no” to others you should say it in a _______.

A. secret way　　B. polite way

C. proud way　　　D. guilty way

1. The sentence “Saying ‘yes’ to yourself” means _______.

A. you can have more time to play with others

B. you needn’t care about other’s feeling if you are happy

C. you are selfish and treat others rudely

D. you can deal with your business as you have planned

26．小明将一张矩形纸片沿对角线剪开，得到两张全等直角三角形纸片(如图2)，量得他们的斜边长为10cm，较小锐角为30°，再将这两张三角纸片摆成如图3的形状，使点B、F、D在同一条直线上，F为公共直角顶点。然后小明又将图(3)中的△ABF沿直线AF翻折到图(4)的位置，点B落在FD边上的B₁点，AB₁交DE于点H。

请你说明：(1)AH=DH.；(2)点H在∠AFD的角平分线上。

25．如图，在△ABC中, D、E分别是AC、AB上的点, BD与CE交于点O. 给出下列三个条件：①∠EBO＝∠DCO；②∠BEO＝∠CDO；③BE＝CD.

　 (1)上述三个条件中, 哪两个条件可判定△ABC是等腰三角形(用序号写出所有情形)；

　 (2)选择第⑴小题中的一种情形, 证明△ABC是等腰三角形.

24．如图，在中，是上一点，交于点，，，与有什么位置关系？证明你的结论．