首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Our planet is like a bit spaceship. Our atmosphere acts【51】a shield against harmful radiation and space debris.【52】holds the air
Our planet is like a bit spaceship. Our atmosphere acts【51】a shield against harmful radiation and space debris.【52】holds the air
admin
2012-02-27
72
问题
Our planet is like a bit spaceship. Our atmosphere acts【51】a shield against harmful radiation and space debris.【52】holds the air and people on the spaceship,【53】everything doesn’t float away. Each of us is an astronaut and our spaceship, the earth, provides our food and water. The sun is our energy【54】and without it we would not be able to survive.
【55】every spaceship, the earth is a closed system. The only thing we receive from the outside is energy from the sun. Everything else must be used【56】again. We astronauts don’t seem to realize that this spaceship is the【57】one we’ve got. We【58】its resources and waste the energy the plants have stored from the sun. If we【59】our spaceship, we will destroy ourselves as well. Maybe if we look at the universe which surrounds us, we will appreciate our own spaceship more and take【60】care of it.
选项
A、only
B、best
C、same
D、biggest
答案
A
解析
地球这艘宇宙飞船是目前唯一能够运载人类的行星,故只有only是正确答案。
转载请注明原文地址:https://kaotiyun.com/show/NaHO777K
0
在职攻硕英语联考
相关试题推荐
TrafficisaperennialprobleminHongkong.Overtheyearsmanysuggestionshavebeen【C1】______toeasetransportdifficulties.T
TrafficisaperennialprobleminHongkong.Overtheyearsmanysuggestionshavebeen【C1】______toeasetransportdifficulties.T
TrafficisaperennialprobleminHongkong.Overtheyearsmanysuggestionshavebeen【C1】______toeasetransportdifficulties.T
Withthepossibleexceptionofequalrights,perhapsthemost【C1】______issueacrosstheUnitedStatestodayisthedeathpenalty
Mercuryisthenearestplanettothesunanditsperiodof______is88days.
ItisagreedthatallnationsshouldtakemeasuresagainstterrorismonthebasisoftheUN______andotherinternationallaws.
ThehistoryofAfrican—Americansduringthepast400yearsistraditionallynarrated【C1】______anongoingstruggleagainst【C2】___
TheordinaryfamilycolonialNorthAmericawasprimarilyconcernedwithsheerphysicalsurvivalandbeyondthat,itsowneconomi
随机试题
下列关于藏象学说说法不正确的是
维生素D是治疗抗哪种病维生素的总称
A.主焦点B.副焦点C.实际焦点D.有效焦点E.标称焦点垂直于X线管窗口方向投影形成的焦点称为
以下关于手-足-口病的说法不完全正确的是
项目目标实现程度评价可以按照()实现层面来判断。
下列为县域城镇体系规划主要内容的是()。
招标人在招标文件规定的投标有效期内以书面形式向中标人发出中标通知书对()具有法律约束力。
语法偏误分析。改正错误并说明错误的原因。听到这个消息,我高兴透了。(山东大学2016)
按照“先进先出”的原则组织数据的结构的是______。
Onlyastudentortwo______tocleantheclassroomafterschool.
最新回复
(
0
)