题目

某算法的部分流程图如下图所示，执行这部分流程，则“s≤100?”被执行的次数是（ ） A . 2 B . 3 C . 4 D . 5 答案：CThe Exploration of Antarctica(南极洲)1773James Cook crossed the Antarctic Circle, but he didn’t see land.1898Adrien de Gerlache and his members were trapped in the Antarctic. They became the first to spend an Antarctic winter.1911Norwegian Roald Amundsen led a five-man expedition that reached the South Pole for the first time.1929Richard E.Byrd and three others from the US became the first to fly over the South Pole1935Caroline Mikkelsen from Norway became the first woman to arrive in Antarctica with her husband.1947The US sent the largest ever expedition of over 4,700 men, 13 ships and 23 airplanes to Antarctica. They took many photos to make a map.1957－195812 countries built over 60 space stations in Antarctica. It became the beginning of international work in Antarctica.1997Boerge Ousland from Norway became the first person to cross Antarctica unsupported.March 2007－March 2009International Polar Year-Researchers got the opportunity to work in both polar places or work in summer and winter.1. _______ is from the United States of America.A. Boerge Ousland B. Richard E. ByrdC. Roald Amundsen D. James Cook2.The underlined word “opportunity” means “______”.A. chance B. advice C. guide D. plan3. ______ is the first woman to get to Antarctica.A. Roald Amundsen B. Boerge OuslandC. Caroline Mikkelsen D. Adrien de Gerlache4.Which is WRONG according to the passage?A. There were more than 60 space stations in Antarctica in the 1950sB. Roald Amundsen was the first to fly over the South Pole.C. Americans took many photos in the Antarctic to make a map.D. Adrien de Gerlache was the first to spend an Antarctic winter.5.The main idea of the passage is _____.A. how to get to the AntarcticB. the way of the exploration of AntarcticaC. the people who got to the AntarcticD. the history of the exploration of Antarctica