Unit 2 词汇、语法、七选五和完形一题两做及写作-2021-2022学年高二英语牛津译林版（2020）选择性必修第三册

2021--2022学年高二第一学期选择性必修三单元二套题 (词汇、语法、七选五和完形一题两做及写作) 一.词汇 识记 astronaut n. 宇航员，航天员 (spaceman/taikonaut) The astronaut can send out a robot which will work on the unknown planet, collecting rocks and minerals, putting up a permanent observation station or traveling far and wide. My son’s dream is to be an astronaut. A rocket manned by trained astronauts will launch soon. The rocket boosts the astronaut into space. He’ll be an astronaut by the time he is thirty. During that walk, the astronaut or “taikonaut” also will test a new Chinese-made spacesuit. gravity n. 重力，地球引力，严重性，严肃 the law of gravity 万有引力定律 Gravity causes these objects to fall to earth. The stone rolled down the hill by gravity. The force of gravity pulls things towards the earth’s centre. The lunar gravity is about one-sixth that on earth. He doesn’t seem to understand the gravity of the situation. She does not know the gravity of her illness. This is a matter of the utmost gravity. absence n. 缺席，不在，缺席时段，不在期间，不存在，没有，心不