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
A man steps on what seems like solid ground but discovers with horror that the ground is giv ing way beneath his feet The man st
A man steps on what seems like solid ground but discovers with horror that the ground is giv ing way beneath his feet The man st
admin
2015-06-07
24
问题
A man steps on what seems like solid ground but discovers with horror that the ground is giv ing way beneath his feet The man struggles【B1】______,but he is mercilessly trapped.He cannot escape. Slowly he sinks deeper and deeper until at last he is gone, buried in the treach erous (不可信的) earth The solid ground was solid only in【B2】______.It was actually quick sand, which is a deep mass of fine sand【B3】______water.
How is quicksand formed? Water pushes up from below the surface and is held by the sand.The【B4】______of sand are forced apart by the water. They cannot hold any weight. The subsurface water may have come from a spring, a river, or a stream. Sometimes pools of water near beaches become filled with sand. When the soil under these pools does not allow for good drainage, the sand can become stretches of quicksand.
Is it true that a man who steps into quicksand【B5】______die? No, four men have fought their way from quicksand to firm land again. It is【B6】______that creates the condition that can【B7】______death, for the more a person struggles, the worse matters become. Quick movements will make the sand yield【B8】______,but then it rushes and settles solidly around the body.
A man trapped in quicksand should either【B9】______,or not move at all, except to stretch out his arms. When the weight of the sand his body has【B10】______equals his weight, he will stop sinking. With feet held still, and slow movements of arms, as in the backstroke in swimming men have managed to roll to safety and reach firm ground.
【B4】
选项
答案
grains
解析
根据谓语are,此处需要可数名词复数形式,grains of sand表示“沙粒”。
转载请注明原文地址:https://kaotiyun.com/show/fEQ7777K
0
大学英语六级
相关试题推荐
A、Todescribeanaptitudetest.B、Toadviseyouhowtofindagoodjob.C、Totellyouhowtodealwithjobinterviews.D、Togive
Thehistoryofman’sexplorationoftheearthextendsover5,000years.Theearliest【B1】______exploredinaverylimitedway:t
A、Theweatherismildcomparedtothepastyears.B、Theyarehavingthecoldestwinterever.C、Theweatherwillsoongetwarmer.
A、Sellthestoretotheyoungcouple.B、Startanotherbusinessforhisdaughter.C、Givethestoretohisdaughterandson-in-law
A、Checkingtheaccuracyofscales.B、Calculatingthedensityofmetals.C、Observingchangesintheatmosphere.D、Measuringamoun
A、Thecuttingofdiamondsneedstohavesomechanges.B、Theenvironmentofmakingdiamondshaschanged.C、Thecompositionofroc
A、Thestereoisextraordinary.B、Theneighborsshouldbeinvited.C、Policemenenjoypartiestoo.D、Lastpartywasdisturbing.D
A、Itreceivesmuchhelpfromdevelopedcountries.B、ItdevelopsfasterincountriessouthofSaharaDesert.C、Itpartlyowesits
A、Undergroundsources.B、Bigcompanies.C、Thegovernment.D、Privateinstitutions.A细节题。根据短文中India’sfilmindustryhasinthepas
A、Seekingforimagination.B、Askingforadviceonwriting.C、Gettingsomerawmaterialsforthewriting.D、Askingformoretime
随机试题
下列选项中属于贝类原料中腹足类的是________。
简述国际企业在设计组织结构时要考虑的问题。
患者,女,46岁。既往有慢性肾炎史,经治疗效果不明显。伴有头晕耳鸣,精神困惫,腰膝酸痛,舌质淡,脉沉弱。该病例中医方剂宜选用
脑血栓形成患者不宜冷敷的原因是因为冷敷可使
A.常量天平 B.架盘天平 C.微量天平 D.半微量天平 E.超微量天平称量一般在3~50g的量器是
常用佩兰与下列哪味药相须为用
在景观保护措施中,对建设项目的基本要求是()。
下列文字表述与反应方程式对应且正确的是()。
Theelectricitywentout______weweremakingcoffee.
Hello,everyone.Itisagreatpleasuretohaveyouasassistantstohelp【B1】______theparty.Iamsendingaroundaformforyou
最新回复
(
0
)