内容正文:
1. astronaut n. 宇航员,航天员
2. gravity n. 重力,地球引力;严重性;严肃
3. cupboard n. 壁橱;橱柜,衣柜
4. ceiling n. 天花板;上限
5. bother vt. 使烦恼,使担心;花费时间精力(做某事);打扰
vi. 花费时间精力(做某事)
n. 麻烦,困难
6. mission n. 任务;使命,天职;军事行动;太空飞行任务
7. creature n. 动物,生物;人
8. microscope n. 显微镜
9. circumstance n. 条件,状况;境况,(尤指)经济状况
10. pill n. 药丸,药片
11. vital adj. 必不可少的,对……极重要的;维持生命所必需的
12. leisure n. 闲暇,空闲
13. crew n. 全体工作人员;全体乘务人员,全体船员;专业团队
14. telescope n. 望远镜
15. universe n. 宇宙,天地万物
16. crucial adj. 至关重要的,关键性的
17. orbit vt.&vi. 围绕……运动,沿轨道运行
n. (天体等运行的)轨道
18. astronomer n. 天文学家
19. agency n. 机构;代理处
20. comprise vt. 包括,包含;组成,构成
21. foundation n. 基础,根据;地基;创办;基金会
22. purse n. 资金,财源;钱包
23. tale n. 故事;讲述,叙述
24. rocket n. 火箭;火箭武器
25. motive n. 原因,动机,目的
26. shelter n. 居所,住处;庇护
vt. 保护,掩蔽
vi. 躲避
27. nuclear adj. 核能的,原子能的;核武器的
[对应训练]
选用本单元核心单词的适当形式填空
1.No matter how high you jump, you will fall down because of gravity .
2.He lay on the bed with his eyes staring at the white ceiling .
3.Yang Liwei, China's first astronaut in space, visited Hong Kong for six days with a group of scientists and space experts.
4.A microscope is a scientific instrument which makes very small objects look bigger so that more detail can be seen.
5.The earth orbits the sun once every 365.25 days, which is called a year.
6.They opened a shelter to provide temporary housing for the city's homeless people.
7.A telescope is a piece of equipment that you look through to make objects that are far away appear larger and nearer.
8.A purse is a very small bag that people, especially women, keep their money in.
1. absence n.缺乏,不存在;缺席→ absent adj.缺席的,不在场的;缺少的,缺乏的
2. occupy vt.占用,使用;居住;占领,侵占;使忙于→ occupied adj.已被占用的;无空闲的;在使用中的;被占领的→ occupation n.侵占,占领;(土地、房屋、建筑等的)使用,居住;工作,职业。
3. evaluate vt.评估,估计,评价→ evaluation n.评估,评价
4. maintenance n.维护,保养;维持,保持→ maintain vt.保持,维持;保养,维修
5. exposure n.面临,遭受;揭露;报道→ expose vt.使暴露(于险境);揭露,使曝光;使接触,使体验→ exposed adj.无遮蔽的;无保护的
6. visible adj.看得见的;明显的→ visibly adv. 易察觉地;明显地→ invisibl