河北省定州中学2016-2017学年高一（承智班）下学期周练（1）英语试题

河北定州中学2016-2017学年第二学期高一承智班英语周练试题(1) [来源:学.科.网] 一、阅读理解 One of my first memories as a child in the 1950s was a discussion I had with my brother in our tiny bedroom in the family house in Bethlehem, Pennsylvania. We had heard in school about a planet called Pluto. It was the farthest, coldest, and darkest thing a child could imagine. We guessed how long it would take to die if we stood on the surface of such a frozen place wearing only the clothes we had on. We tried to figure out how much colder Pluto was than Antarctica, or than the coldest day we had ever experienced in Pennsylvania.[来源:学|科|网Z|X|X|K] Pluto, which famously was downgraded from a “major planet” to a “dwarf planet”(矮星)in 2006, captured our imagination because it was a mystery that could complete our picture of what it was like at the most remote corners of our solar system Pluto’s underdog discovery story is part of what makes it so attractive. Clyde Tombaugh was a Kansas farm boy who built telescopes out of spare auto par