由于霉雨季露天存放一段时间的电石具有（）性，所以要格外注意防范。 A.燃烧 B.毒害

图所示图像中，能正确反映“物体在水中受到的压强与它所处深度的关系”的是

美术馆展出纪念北平和平解放57周年的绘画作品展，你能说出这是哪一年的事吗[ ]

A．2002年

B．2003年

C．2004年

D．2006年

治肾不纳气咳喘宜用（）

A.苏子降气丸

B.蛤蚧定喘丸

C.小青龙合剂

D.人参保肺丸

E.七味都气丸

2012年3月22日中央军委 * * 胡 * * 签署命令，发布《中国人民解放军参加联合国维持和平行动条例（试行）》。联合国前任秘书长评价说：“中国官兵使维和行动焕然一新，他们帮助远方的人们，改善他们的生活，大大增强了联合国维和行动的力量”。中国维和部队的贡献表明 [ ]

①中国履行其肩负的国际责任的能力不断提高②中国协调发展中国家关系的作用显著增强 ③中国是维护世界和平与稳定的积极因素和坚定力量④中国特别重视发展与发展中国家的关系

A、①②

B、③④

C、①③

D、②④

Geography is the study of the relationship between people and the land. Geographers compare and contrast various places on the earth. But they also (51) beyond the individual places and consider the earth as a whole. The English word geography means "to describe the earth. " (52) geography books focus on a small area like a town or city. Others deal with a state, a region, a nation, or an (53) continent. Many geography books deal with the whole earth. Another (54) to divide the study of geography is to distinguish between physical geography and cultural geography. The former focuses on the natural world; the (55) starts with human beings and studies how human beings and their environment act (56) each other. But when geography is considered as a single subject, (57) branch can neglect the other. A geographer might be described as one who observes, records, and explains the (58) between places. If all places (59) alike, there would be little need for geographers. We know, however, that no two places are exactly the same. Geography, (60) is a point of view, a special way of looking at place.

51().

A.pass 

B.reach 

C.go 

D.set