7. That is where Lu Xun used to live.

6. The news that you told me yesterday was really disappointing.

5. The news that they had won the game soon spread over the whole school.

4. How he persuaded the manager to change the plan is interesting to us all.

3. It was snowing when he arrived at the station.

2. The truth that the earth turn around the sun is known to all.

1. China is no longer what it used to be.

26．列方程解答(满分10分)

如图，在Rt△ABC中，点D在直角边BC上，DE平分∠ADB，∠1=∠2=∠3，AC=5cm．

(1)　 求∠3的度数；

(2)　 判断胞与AB的位置关系，并说明理由；

(3)　 求BE的长．

25．(满分10分)

　　 小明和小斌到郊外旅游，小明骑自行车，小斌骑电动车，同时出发沿相同路线前

往．如图，，分别表示小明和小斌前往目的地所走的路程S与所用的时间的关系．

(1)他们中谁先到目的地?早到多少时间?

(2)小明和小斌的速度分别是多少?　

(3)当他们中第一人到达目的地时，另一人还差几千米到达目的地?

24．(满分8分)

　　 已知：如图，C为BE上一点，点A、D分别在BE的两侧．AB//ED，AB=CE，

BC=ED．试猜AC与CD有怎样的数量关系?并加以说明．