首页
登录
职称英语
[audioFiles]2015m7s/audio_ezfj_20155_007[/audioFiles]
[audioFiles]2015m7s/audio_ezfj_20155_007[/audioFiles]
游客
2024-09-24
47
管理
问题
选项
答案
Causes of Forest Fires
Forest fires are one of the greatest natural destroyers of our forests. It has been found that about 90% of forest fires are due to human factors. The most common cause for the forest fires is the carelessness of people. Smokers may start a forest fire by carelessly dropping lighted matches and cigarettes in a forest. Tourists sometimes throw the lighted items in the bushes around or on the ground which cause fire. There are also some natural causes of forest fires. Forest fires can occur due to lightning which burns the trees. Earthquake is also responsible for the forest fires, while other reason for fire is volcanoes and drought. High temperature and low humidity provides favorable conditions to the fire and hence it can start in forests. Since forest fires destroy valuable trees and even kill people, we need to learn the causes and to know how to prevent them.
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3772432.html
相关试题推荐
[audioFiles]2015m6x/audio_ezfm_014_20154[/audioFiles]
[audioFiles]2015m6x/audio_ezfm_064_20154[/audioFiles]Th
[audioFiles]2015m6x/audio_ezfm_051_20154[/audioFiles]TheImpact
[audioFiles]2015m6x/audio_ezfm_039_20154[/audioFiles]
[audioFiles]2015m6x/audio_ezfm_001_20154[/audioFiles]
[audioFiles]2015m7s/audio_ezfz2015_001_20155[/audioFiles]Ma
[audioFiles]2015m7s/audio_ezfj_20155_010[/audioFiles]
[audioFiles]2015m7s/audio_ezfj_20155_009[/audioFiles]
[audioFiles]2015m7s/audio_ezfj_20155_005[/audioFiles]
[audioFiles]2015m7s/audio_ezfj_20155_020[/audioFiles]
随机试题
Earlystudiesoftenconcludedthatthepublicwassusceptibletotheinfluenceo
【B1】______[br]【B5】______[originaltext]Howmenfirstlearnttoinventwor
[originaltext]Lastweek,theUnitedNationsheldaworldsummitonfoodsecu
20世纪50年代初由中、印、缅三国共同倡导的是A.和平共处五项原则 B.不结盟
下列选项中对民间舞蹈“继承性”的正确理解是:()A.民间舞蹈从原始发展而来,具
梯形屋架的端斜杆和受较大节间荷载作用的屋架上弦杆的合理截面形式是两个( )。A
不属于卵巢恶性肿瘤特点的是A.发展缓慢 B.早期常无症状,一旦出现腹胀疾病可能
患者,女,18岁,入院前1个月因受寒后咽喉肿痛、不咳、低热但未作治疗;10天前出
非齐线性方程组AX=b中未知量的个数为n,方程的个数为m,系数矩阵A的秩为r,则
下列关于胃液分泌调节的叙述,正确的是A.头期分泌主要是体液调节 B.胃期分泌兼
最新回复
(
0
)