Apapaldecreeof1493hadassignedalllandinthenewworldwestof50degreesWlongitudetoSpainandallthelandeastofthatlinetoPortugal.MagellanofferedtoprovethattheEastIndiesfellunderspanishauthority.onSep.20,1519,Megellanse

Question

A papal decree of 1493 had assigned all land in the new world west of 50 degrees W
longitude to Spain and all the land east of that line to Portugal.Magellan offered to prove that the East Indies fell under spanish authority.on Sep.20,1519,Megellan set sail from Spain with five ships.More than a year later ,one of these ships was exploring the topgraphy of South America in searched along the southern peninsula of South America.Finally they found the passage they sought near a latitude of 50 degrees S.Magellan named this passage the strait of all Saints,but today we know it as the Strait of Magellan.
1.The pope divided New world lands between Spain and Portugal according to their location on one side or the other of an imaginary geographical line 50 degrees west of Greenwich that extends in a ____ direction.
a.north and south b.crosswise c.south east d.north and west
2.one of Magellan's ships explored the _____of South America for a passage across the continent.
a.coastline b.mountain range c.physical features d.islands.
3.The passage was found near 50 degrees south of____.
A.Greenwish b.the equator c.Spain d.Portugal
A papal decree of 1493 had assigned all land in the new world west of 50 degrees W longitude to Spain and all the land east of that line to Portugal.Magellan offered to prove that the East Indies fell under spanish authority.on Sep.20,1519,Magellan set sail from Spain with five ships.More than a year later ,one of these ships was exploring the topography of South America in searched of a water route across the continent,the ship sank ,but the remaining four ships searched along the southern peninsula of South America.Finally they found the passage they sought near a latitude of 50 degrees S.Magellan named this passage the strait of all Saints,but today we know it as the Strait of Magellan.
正文刚才打少了一点

Answer 1

地理非常不好,还好看懂了
1A
问题问的是经度线是以什么方向延伸的,经度线是数着的那条,当然是南北延伸
2C
这题其实就是对topgraphy（地势）的解释
当然不是coastline海岸线、mountain range 山脉、或者islands 岛屿
3B 赤道
a latitude （纬度）of 50 degrees S.
纬度当然是在说赤道线以南50度