题干

高的是(   )

A:

B:

上一题 下一题 0.0难度 选择题 更新时间:2019-09-04 01:06:19

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A

同类题1

阅读理解

    Summer Science Class registration begins on March 8 ! If you are interested in science,the environment,or conservation and you are in grades 7 -12 ,sign up soon for Black Rock Forest Consortium's Summer Science Class program. You can download the Summer Science Classes 2013 brochure here. It is easy to register;just call 845-534-4517 or click here.

    Twelve-week-long courses in the natural sciences and the arts are offered at Black Rock Forest in Cornwall from July 15 through August 9.Two more classes are offered with site partners,including “The Art of Scientific Observation,” hosted jointly by Black Rock Forest Consortium and Storm King Art Center ,one of the world's leading sculpture parks ,and “A Nautical   Expedition” hosted jointly by the Consortium and the Constitution Marsh Audubon Center.

    We are delighted to announce two special “away” classes that are part of the Summer Science Class program this year: an“Adirondack Eco-Adventure” beginning August 11,and “Conservation Biology in Florida,” beginning June 23 and featuring field work on the Gulf Coast in cooperation with the University of Florida's Seahorse Key Marine Biological Laboratory. For more information on the Summer Science Class program,please read our press release. Black Rock Forest Consortium is a nonprofit organization founded in 1989 to advance scientific understanding of the natural world through research,education and conservation programs.

同类题5

阅读下列材料并回答问题。

材料一:唐朝的对外贸易范围更加广泛,政府的政策也更加开明,对外来文化采取兼收并蓄的政策,所以唐朝时期吸引了波斯、阿拉伯商人前来贸易,“丝绸之路”上的贸易往来非常频繁,中国商人的足迹也远达非洲和欧洲许多地区。

——摘编自杨晓璐《中国古代对外贸易综述》

材料二:丝绸之路在唐朝进入了全盛时期。唐朝的西部疆域超过了汉朝,设置安西四镇,驻兵防守,由安西都护府管辖……为丝绸之路的畅通提供了有力的保障。高宗至玄宗时期,从事国际商贸的粟特人,长期操纵着丝绸之路的转运贸易。他们不仅在经济交流而且在文化交流中都起着重要作用……

——摘编自攀树志《国史概要》

材料三:“陆上丝绸之路”是连接中国腹地与欧洲诸地的陆上商业贸易通道,形成于公元前2世纪与公元1世纪间,直至16世纪仍保留使用,是一条东方与西方之间经济、政治、文化进行交流的主要道路。历史上,中国的丝绸、陶瓷通过“海上丝绸之路”走向世界,这些传统的商品至今依然在海上丝绸之路广袤的沿线上焕发着新春。

——摘编自百度百科《丝绸之路》

材料四:2017年5月14日至15日,“一带一路”国际高峰论坛在北京举行,俄罗斯总统普京等出席会议。“一带一路”倡议提出3年多来,取得了丰硕的收获,目前已得到世界上130多个国家和国际组织的响应和支持,中方已与40多个国家和国际组织就共建“一带一路”签署了合作协议。“一带一路”顺应世界多极化、经济全球化、文化多样化、社会信息化的潮流,秉持开放的区域合作精神,致力于维护全球自由贸易体系和开放型世界经济。

——摘编自腾讯新闻《一带一路国际合作高峰论坛》