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
If you wipe a finger across a household surface that hasn’t been cleaned in the last few days, chances are you’ll【B1】______ with
If you wipe a finger across a household surface that hasn’t been cleaned in the last few days, chances are you’ll【B1】______ with
admin
2014-12-12
17
问题
If you wipe a finger across a household surface that hasn’t been cleaned in the last few days, chances are you’ll【B1】______ with dust. Look around and you’ll find the stuff everywhere, from the particles【B2】______ in the sunlight to the fine【B3】______ of dirt coating TV screens, bookshelves, and car dashboards. Dust comes from everything and, like death and taxes, you can’t avoid it. When things—shoes, rocks, plants, socks, anything at all—begin to【B4】______, they release tiny pieces of themselves into the air. These【B5】______ bits settle everywhere, and because matter is always coming apart, dust production is a never-ending business.
In a typical household, dust【B6】_____ mainly of things such as dead insect parts, sheets of skin, food particles, and pieces of fabric. But not all dust is the product of natural【B7】______; we create amazing quantities of dust everyday. For example, a single puff(吸)of a cigarette contains an estimated four billion large dust particles. Industry of all sorts, from the【B8】______ of a piece of wood to large-scale steel manufacturing, creates particular kinds of dust. In short, dust is all around, ever, in the air we breathe. Because its particles are so small, dust is highly【B9】______. Westward winds regularly blow dust from the Sahara desert across the Atlantic and into the【B10】______ above American coastal towns, where it contributes to some thrilling sunsets.
【B7】
选项
答案
decay
解析
根据空前的介词of和形容词natural可知,此处需填入名词。decay“衰败(或衰退)状态”。注意勿写成decade。
转载请注明原文地址:https://jikaoti.com/ti/ps9FFFFM
0
大学英语四级
相关试题推荐
Theworldisnotonlyhungry,butthirstyforwater.Thatmayseem【B1】______toyou,sincenearly75%oftheearth’ssurfaceis【B
Theworldisnotonlyhungry,butthirstyforwater.Thatmayseem【B1】______toyou,sincenearly75%oftheearth’ssurfaceis【B
MiinWuimmigratedtotheUSintheearly1970sto【36】graduatetraininginelectricalengineering.Likemostofhisclassmates
A、Workforaradiostation.B、Liveinadormitory.C、Takealongtrip.D、Lookforanotherone.D
IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecision-making.Whenthechildrenareoldenough,theytake
A、Heistakingcareofhistwinbrother.B、Hehasbeenfeelingillallweek.C、HeisworriedaboutRod’shealth.D、Hehasbeeni
Crimeisincreasingworldwide.Thereiseveryreasontobelievethe(1)_____willcontinuethroughthenextfewdecades.Crimera
"Avoidtherush-hour"mustbethesloganoflargecitiestheworldover,whereveryoulookit’speople,people,people.Thetrai
A、Shebehavesasifshewereaqueen.B、Sheoftenarguesaboutcleaningapartment.C、Shelikestomakeafussoversmallthings.
A、Itimprovesone’sbrainfunction.B、Itincreasesone’sbloodflow.C、Itcleansthewaterofthebody’scells.D、Itkeepsonea
随机试题
瘀血停滞型胃痛,可选用
有关肾绞痛的特点,下列哪项是不恰当的
A.急性感染B.慢性感染C.潜伏感染D.慢发病毒感染E.隐性感染单纯疱疹病毒引起的反复发作属于
A、硬胶囊B、软胶囊C、缓释胶囊D、控释胶囊E、肠溶胶囊系指在水中或规定的释放介质中以零级或接近零级速率释放药物的
出租人甲与承租人乙订立一份租赁设备合同,下列关于该合同生效、效力的说法中正确的是()。
某项目桩基工程采用套管成孔灌注桩,预制桩尖的混凝土强度为C30,采用锤击沉桩的施工方法。为了保证混凝土的质量,桩管灌满混凝土后开始拔管,拔管速度控制在0.9~1.1m/min。施工过程中检查桩身直径,发现一处桩身直径与设计直径之比为0.9。
关于招标管理的说法,正确的有()。
《国家中长期教育改革和发展规划纲要(2010--2020年)》提出了构建灵活开放的教师教育体系的改革目标,关于这一目标,下列表述中正确的一项是()。
红旗原则是指如果侵犯著作权的事实是显而易见的,网络服务商就不能装作看不见,或以不知道侵权的理由来推脱责任。根据上述定义,下列适用红旗原则的情形是()。
为帮助果农解决销路,某企业年底买了一批水果,平均发给每部门若干筐之后还多了12筐。如果再买进8筐那每个部门可分得10筐,则这批水果共有()筐。
最新回复
(
0
)