题目

如图，在□ABCD中，E为BC边上一点，且ABAE．     （1）求证：△ABC≌△EAD．     （2）若AE平分∠DAB，∠EAC25o，求∠AED的度数． 答案：（1）∵四边形ABCD为平行四边形， ∴AD∥BC，AD＝BC． ∴∠DAE＝∠AEB． ∴AB＝AE，∴∠AEB＝∠B ∴∠B＝∠DAE． ∴△ABC≌△EAD．                                  （2）∵∠DAE＝∠BAE，∠DAE     ∴∠BAE＝∠AEB＝∠B．   ∴△ABE为等边三角形．∴∠BAE＝60o． ∵∠EAC＝25o，∴∠BAC＝85o． ∵△ABMany young people want to be pop stars. Pop stars are rich. Many people think they are leading a happy and easy life. Is that true? The answer is definitely no. In fact, they have very hard lives. They spend much of their time on travel. Sometimes the travel is interesting, but in most time it is boring to pop stars. The following chart is a day’s life of a pop star.Feb. l0, 20075:00Woke up and had breakfast in the hotel. Packed bags. Took a taxi to airport.7:30Plane took off half an hour later than usual for the bad weather.8:30Plane landed. Waited for luggage (行李)for half an hour. Signed for fans at the airport.9:45Arrived at the hotel and had a short rest.10:00Started out to attend the meeting with fans and gave an interview to the local reporters.11:00Went to radio station to attend the live show.12:00Had lunch with local producer (制片人)I3:00Went to theatre and prepared for the night’s show.The lighting of the theatre was good,   but the band did poorly.17:00Back to hotel. Tried to have a rest. Still worried about the band.18:00Had supper, but ate little.18:30Went to theatre again and got ready for show.19:30Sang very well, and audience gave a warm welcome. The band improved a little.22:00Show was over. Very tired from it.23:00Back to hotel. Took a bath. Too excited to sleep, so watched TV.0:00Fell asleep, with TV on.根据表格内容，选择正确答案。小题1: The pop star went back to the hotel _________ on Feb. 10, 2007.A．onceB．twiceC．three timesD．four times小题2: According to the chart, the pop star was good at _________.A．singingB．dancingC．making facesD．playing the piano小题3: The pop star felt ________ after the performance.A．tiredB．excitedC．sadD．both A and B小题4:The band did _________ in the rehearsal (彩排) in the night’s show.A．better in the show thanB．worse in the show thanC．in the show as bad asD．not tell us how the band did小题5:This passage mainly tells us that _________.A．pop stars are not rich in factB．young people had better not be pop starsC．there are many young people wanting to be pop starsD．pop stars don’t have an easy life as they seem to have