首页
登录
职称英语
A man steps on what seems like solid ground but discovers with horror that t
A man steps on what seems like solid ground but discovers with horror that t
游客
2023-08-19
20
管理
问题
A man steps on what seems like solid ground but discovers with horror that the ground is giving 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 treacherous(不可信的)earth The solid ground was solid only in【B2】______. It was actually quicksand, 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. [br] 【B9】
选项
答案
lie back
解析
lie back“仰靠,向后靠”。空格前的should提示此空需用动词原形。
转载请注明原文地址:https://tihaiku.com/zcyy/2939062.html
相关试题推荐
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
Amanstepsonwhatseemslikesolidgroundbutdiscoverswithhorrorthatt
随机试题
SportsManyanimalsengageinp
ANewYorkTimes-CBSNewspollfoundthatalmost90percentofAmericansthi
下列句子中,标点符号使用规范的是( )。A.去中国美术馆的路怎么走,小李?
我国《基础教育课程改革纲要》规定,在学校课程中设置综合实践活动作为必修课程。其设
一横波沿绳子传播时的波动表达式为y=0.05cos(4πx-10πt),则其(
需求变更管理是需求管理的重要内容。需求变更管理的过程主要包括问题分析和变更描述、
国家统计调查项目由国家统计局制定,报国务院审批或者备案。()
2岁小儿,股骨干斜形骨折,采用垂直悬吊皮牵引治疗,其复位情况下列哪项不允许(
根据下列统计资料回答问题 2003年,加拿大GDP在表中所列国
球形罐焊后整体热处理测温点的布置,符合要求的有( )。A.在球壳外表面均匀布置
最新回复
(
0
)