内容正文:
单元知识回扣
[对应学生用书P47]
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;(circumstances)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.(the universe)宇宙,天地万物
16.crucial adj.至关重要的,关键性的
17.orbit vi.& vt.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
Ⅰ.选用上面单词并用其适当形式填空
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 details 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→invisible adj.看不见的
7.luxury n.不常有的乐趣(或享受);奢侈品→luxurious adj.奢侈的;十分舒适的
8.discipline vt.严格要求(自己);惩罚:训练