被三大洋包围的大洲和几乎被三大洋包围的大洲是（    ）

求下列各式的相反数与绝对值．

2.5，﹣$\sqrt{7}$，﹣$\frac{\mathrm{\pi }}{2}$，$\sqrt{3}$-2，0．

    Tina and Vera are sisters. They live in a big city. Tina is not as old____Vera. She is older than her. She thinks living in the city is much____(interesting)than in the countryside. She likes the lights in her city. She thinks the lights in her city are the ____(beautiful) in the world. She enjoys____(read) and she reads____(many)books than Vera.____, Vera dislikes living in the city. She thinks living in the countryside____(be) much better. She often____(visit) her grandparents in the countryside and takes vacations there. She often takes walks____ supper. It makes her____(feel) very relaxed.

    Gabriel Garcia Márquez ,who was awared the Nobel Prize for Literature in 1982，passed away at the age of 86 on April 17，2014. The world paused to remember the cultural giant .
    Garcia Márquez was born in Colombia ,but he spent most of his adult life in Mexico City . As one of the most famous writers ,he was widely regarded as “a giant of 20th-century literature ” . Garcia Márquez wrote in a style  called “magical realism ”In such works,people live a daily life in a certain period of time in history . But meanwhile ,magical things happen to them .
    Garcia Márquez is best known for his 1967 novel ,One Hundred Years of Solitude ,which has sold about 50 million copies . It tells the tale of the small and isolated town of Macondo which was separated from the outside world –of its founding and its troubled history over a hundred years . The story is a metaphor for the development of Colombia since the 19century . As Colombian President Juan Manuel Santons said , Garcia Márquez wrote about “the very essence of the Latin American beings".