如图3-398所示两跨连续梁，全长承受均布荷载q，其正确的弯矩图是哪一个？【2011-6】

A: B: C: D:

891， 682， 363， 154， ( )。

A:143 B:129 C:76 D:48

891， 682， 363， 154， ( )。

A:143 B:129 C:76 D:48

891， 682， 363， 154， ( )。

A:143 B:129 C:76 D:48

891， 682， 363， 154， ( )。

A:143 B:129 C:76 D:48

B
Ellis Island is located in New York Harbor. Ellis Island is open daily year-round from9:30a. m. to 5:00p. m, with extended hours during summer. It is closed on December 25. There is no admission(入场) charge to Ellis Island; donations(捐款) are gratefully accepted.
At Your Fingertips
Park information (212) 363～7620
Emergencies (212) 363～3260
Ferryboat information (212) 269～5755
Lost and found (212) 363～7620
Dining, gift, & audio tour (212) 344～0996
Transportation
Stature of Liberty and Ellis Islan Ferry: Boats leave from Battery Park, Manhattan, and from Liberty State Park, New Jersey. They run about every 30 to 45 minutes beginning at 9:15a. m. (ferry schedule subject to change)
Hours: May vary; call the number above
Closed: December 25
Ferry fees: (Includes Liberty and Ellis Island) adults, $ 7; senior citizens, $ 6; children(age 3 to 17) $ 3. ( group rates are available for 25 or more adults)
Tickets & schedule information: (211) 269～5775

A:(212)344～0996 B:(212)363～7620 C:(212)363～3260 D:(212)269～5755