话题10 天问一号-2020-2021学年高一期末复习热点话题阅读与题型专练（通用版）

2020-2021学年高一期末复习热点话题阅读与题型专练10 话题：天问一号 【1】 After traveling more than seven months in space, Tianwen 1 is one step closer to Mars! Tianwen 1, China’s first Mars probe （探测器）, successfully entered Mars orbit in February, according to the China National Space Administration （CNSA）. It will stay in orbit for about three months before landing on the red planet. A small step on the red planet will be a big step for human beings. Humans have launched 46 Mars exploration missions since October 1960, but only 19 of them have been successful, according to China Daily. It’s China’s first spacecraft to Mars, and the missions are rather ambitious. Tianwen 1 aims to achieve “orbiting, landing, and roving （环绕，着陆，巡视）” all in one journey, which will make the country the world’s first to accomplish all three goals with one probe, mission scientists said. Among the three tasks, touchdown on the red planet is the most difficult. The result mainly depends on the “breathtaking seven minutes,” which will dep