问题 解答题

已知∠MON,OP为∠MON的平分线,在OP上任取一点C,过点C作OM的垂线,垂足为E,垂线CE交ON于B点,过点C作ON的垂线,垂足为F,垂线CF交OM于A点;问AC与BC相等吗?试说明理由.

答案

AC与BC相等.

理由:∵点C在∠MON的平分线上,CE⊥OM,CF⊥ON,

∴CE=CF.

在△ACE和△BCF中,

∠AEC=∠BFC=90°,CE=CF,∠ACE=∠BCF,

∴△ACE≌△BCF(ASA).

∴AC=BC.

阅读理解

阅读理解

     Attractions in Wisconsin

     Wisconsin Historical Museum

     30 N. Carroll Street on Madison's Capitol Square

     Discover Wisconsin's history and culture(文化) on four floors of exhibits. Open for public program.

Admission is free.

    Open :Tuesday through Saturday, 9:00am -- 4:00 pm.

    (608) 264-6555  www.wisconsinhistory.org/museum

    Swiss historical village

    612 Seventh Ave., New Glarus

     The Swiss Historical Village offers a delightful look at pioneer life in America's heartland. 14 buildings

in the village give a full picture of every day life in the nineteenth-century Midwest.

     Tue.-Fri., May 1st -October 31st , 10:00 am-4:00 pm. Admission is $20.

     (608) 527-2317  www.swisshistoricalvillage.com

    Artisan Gallery & Creamery Caf?

6858 Paoli Rd., Paoli, WI

     One of the largest collections of fine arts and crafts(手工艺品) in Wisconsin. Over 5000 sp. ft. of

exhibition space in a historic creamery. While visiting enjoy a wonderfully prepared lunch at our caf ?

overlooking the Sugar River. Just minutes from Madison!

   Gallery open Tue. -Sun., 10:00 am-5:00 pm.

   Caf ? open: Wed. -Sat., 11:00 am -3:00 pm.

   Sun. brunch with wine, 10:00-3:00 pm.

   (608) 845-6600  www.artisangal.com

    Christopher Columbus Museum

    239 Whitney St., Columbus

     World-class exhibit -2000 quality souvenirs(纪念品) marking Chicago's 1893 World Columbian

Exhibition. Tour buses are always welcome.

     Open: daily, 8:15 am - 4:00 pm.

     (920) 623-1992  www.columbusantiquemall.com

1.Which of the following is on Capitol Square?

A. Wisconsin Historical Museum.          

B. Swiss Historical Village.

C. Artisan Gallery & Creamery Caf ?.      

D. Christopher Columbus Museum.

2. Where can you go for a visit on Monday?

A. Wisconsin Historical Museum.

B. Swiss Historical Village.

C. Artisan Gallery & Creamery caf ?.

D. Christopher Columbus Museum.

3. Where can visitors have lunch?

A. At Wisconsin Historical Museum.

B. At Swiss Historical Village.

C. At Artisan Gallery & Creamery Caf ?

D. At Christopher Columbus Museum.

4. We learn from the text that___________.

A. Swiss Historical Village is open for half a year

B. Christopher Columbus Museum overlooks a river

C. tickets are needed for Wisconsin Historical Museum

D. Artisan Gallery & Creamery Caf? are open daily for 4 hours

多项选择题