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
考研
Fueled by weather, wind, and dry undergrowth, uncontrolled wildfires can bum acres of land—and consume everything in their way—i
Fueled by weather, wind, and dry undergrowth, uncontrolled wildfires can bum acres of land—and consume everything in their way—i
admin
2010-01-17
43
问题
Fueled by weather, wind, and dry undergrowth, uncontrolled wildfires can bum acres of land—and consume everything in their way—in mere minutes.
【C1】______, more than 100,000 wildfires clear 4 million to 5 million acres of land in the U. S. every year. A wildfire moves at speeds of up to 23 kilometers an hour, consuming everything— trees, bushes, homes, even humans—in its【C2】______.
There are three conditions that need to be【C3】______in order for a wildfire to burn: fuel, oxygen, and a heat source. Fuel is any material【C4】______a fire that will burn quickly and easily, including trees, grasses, bushes, even homes. Air supplies the oxygen a fire【C5】______to burn. Heat sources help spark the wildfire and bring fuel to【C6】______hot enough to start burning. Lightning, burning campfires or cigarettes, hot winds, and even the sun can all provide【C7】______heat to spark a wildfire.
【C8】______often harmful and destructive to humans, naturally occurring wildfires play a positive role in nature. They【C9】______nutrients to the soil by burning dead or decaying matter. They remove diseased plants and harmful insects from a forest ecosystem ( 生态系统 ). And by burning【C10】______thick trees and bushes, wildfires allow sunlight to reach the forest floor, enabling a new generation of young plants to grow.
【C6】
选项
A、materials
B、places
C、temperatures
D、conditions
答案
C
解析
转载请注明原文地址:https://kaotiyun.com/show/5AYi777K
本试题收录于:
GCT工程硕士(英语)题库专业硕士分类
0
GCT工程硕士(英语)
专业硕士
相关试题推荐
现行宪法规定,制定和修改基本法律的权力属于()。
将国歌正式定为《义勇军进行曲》的修正案是()。
A:Excuseme,Idon’twanttointerruptyou...B:______.
Accordingtotheforecast,______.Theweatherconditionwillprobablychangefromdaytonightin______.
Todaycognitivetheoristsempiricallystudytheimpactoffeelingsoncognitiveprocessessuchasmemoryandjudgmentandalsot
Operationswhichleftpatients______andinneedoflongperiodsofrecoverytimenowleavethemfeelingrelaxedandcomfortable
Lazy?Shy?Liveinacave?Thosemightnotbepositiveattributesfortheaveragehuman,buttheysurearegoodforanimalstryi
TheauthorpsesJaneFondaasanexampletoshowthat_________.Theword”dimensions”inthelastparagraphpossiblymeans_____
SpeakerA:LookwhatBrucegavemeformybirthday--thisbeautifulscarf.SpeakerB:______.Hemusthavespentquiteabitofm
TheXinhuabookstorechain,China’slargestofficialpublishingenterprise,hasbecomeasurprisingflashpointforinterestamo
随机试题
下列案件中可以由被告住所地法院管辖的案件是:()
发生人工费索赔时能按计日工费计算的是()。
下列关于持有至到期投资的表述中,正确的有()。
德钦股份有限公司(以下简称德钦公司)是一家以酒店、餐饮、汽车租赁、维修为主的大型企业。公司2011年发生了如下事项:(1)德钦公司为了扩大市场份额,提高汽车租赁业务的核心竞争力,2011年进行了如下并购业务:2011年,德钦公司收购了一家中等规模的汽车租
“地理环境是人类社会赖以存在和发展的必要前提”,这个观点()。
市场体系的三大支柱是()。
如图,在四边形ABCD中,AC与BD相交于O点,∠ADC=∠BAD=90°,ACOD的面积为1.5,且CD=3,AD=5,那么△BOC的面积为()。
判断下列句子是否符合普通话语法规范。我驾驶亲戚的小型越野车被公交车追尾。(西北大学2014)
Hecouldhardly______histemperwhenhesawthestateofhisoffice.
EventodaywhendiscussingthesinkingofTitanic,survivorstendtospeak__________oftheordeal.
最新回复
(
0
)