搜题请搜索小程序“爱下问搜题”
问题 单项选择题 案例分析题

图为气压中心分布示意图，①③为大陆上气压中心，②④为海洋上气压中心。读图完成问题。

据图分析这种气压中心分布的形成原因是（）

①7月副热带高压带被大陆上的低压切断，使副热带高压只保留在海洋上

②气压带风带随太阳一直射点的移动而反向移动

③1月，副极地低压带被大陆上的冷高压切断，使副极地低压带只保留在海洋上

④季风气候形成这种气压分布

A.①②

B.②③

C.①③

D.③④

答案

参考答案：C

解析：本题考查海陆位置影响气压带。7月副热带高压带被大陆上的低压切断，使副热带高压只保留在海洋上；1月，副极地低压带被大陆上的冷高压切断，使副极地低压带只保留在海洋上。选择C项。

选择题

“飞花两岸照船红，百里榆堤半日风。卧看满天云不动，不知云与我俱东。”这首诗体现的哲学道理是(　　)

A．世界是静止不动的

B．运动只存在于诗人的脑海里

C．运动与静止是相互独立的

D．物质世界是绝对运动和相对静止的统一
查看答案
单项选择题

American Museum of Natural History is one of the largest natural and historic museums in the world and one of the main natural history research and education centres in the United States, set up in 1869 and located in the west of the Central Park, Manhattan District, New York. It (1) 7 hectares in its total area, (2) classical types of buildings. The (3) of ancient creatures and humanity is (4) the first place of all the museums in the world, (5) the representative samples from South America, Africa, Europe, Asia and Australia were collected, besides those from the (6) country, the United States.In the museum, there are five kinds of exhibits, including astronomy, mineralogy, human history, and animals in the (7) times and those in modern times. There are thirty-eight exhibition halls with different (8) from 500 to 1,500 square metres. Besides these, there is a Roosevelt Memorial Hall in (9) of President Roosevelt who supported the (10) of the museum, which is also used to have a special exhibition, showing the new important (11) on natural sciences and (12) affairs and social problems, and special topics connected closely with the life of the citizens. Besides this, it is also used for avocation (13) to have all kinds of scientific activities in the laboratories, centres of natural science and centres for citizens. There are more than 10 (14) research departments mainly(15) for collection of samples, research and work of publication.In the museum, there are (16) and sub-libraries of Aulspond ancient amniote, with about 300 thousand books and magazines (17) natural history, many of(18) are very valuable monographs for the first edition. It has published many expert books and magazines, and a large number of propaganda materials, (19) which are the two magazines, Natural History and Members of Museum that have the biggest (20) of their magazines.

11（）

A.obstacles

B.discoveries

C.obligations

D.inventions
查看答案