单项选择题

中国2010年上海世界博览会于4月30目20时(北京时间)隆重开幕，本届世博会将历时184天。设P点为晨昏圈与纬线的切点，当世博会开幕时，P点所在地盛行东南风。完成ll—12题。
11．世博会开幕时，与P点位于向一时区的地点是
A．开普敦( E)
B．伦敦(经度 )
C．惠灵顿( E)
D．布宜诺斯艾利斯( w)

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The purpose of the memo is to A.attract students’interest in the programme B.require the parents to select a sport for their chinld C.help the staff explain the programme to the parents D.remind teachers and lifeguards to be present on time

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单项选择题
E In the United Statcs, there were some well-constructed houses for native Indians, ranging from the simple brush shelter to the five-storied pueblo. In the eastem United States, one of the existing types was that commonly know under the Algonkian name of wigwam in which the Iroquois Indians lived. The wigwams were of wagon-top shape with straight sides and ends, made by bending young trees to form. the round shape. Over this shape pieces of tree bark were laid to protect the Indians from bad weather. Over the bark dried grass was added. A small hole allowde smoke to escape from the top. Doorways at each en served also as windows, The Iroquois Indians built trunk walls all around their villages. The wall had only one opening, They could quickly close this cpening if their enemies came near. Interestingly, the Choctaw Indians in Mississippi also lived in a wigwam of a most primitive(原始的) construction, but different from those of the Iroquois Indians.The Choctaw Indians’wigwams, made from mud,cane and straw, were in the form. of a bee-hive. The covering was made of a long, tough grass. A post in the centre supported the roof.A hole in the top admitted the light, and allowed the smoke to pass out. The tipi tent-housing of the upper lake and plains area was put up with poles set lightly in the ground, tied together near the top, and covered with bark and grass in the lake country. It was easily portable, and two women could set it up or take it down within an hour. The Pawnee, Mandan and other Indian tribes (部落) along the Missouri built solid ring-shaped structhures of trunk, covered with earth and dried grass,housing adozen families. The Wichita and other tribes of the Texas border built large ring-shaped houses covered with dried grass. Apart from the regular housing, almost every tribe had some style. of housing. 72.Which of the follwing pictures shows the house for the Iroquois Indians？

A.The
B.A
C.Which