首页
登录
职称英语
[audioFiles]2013q2/audio_ezfm_074_20131[/audioFiles] C
[audioFiles]2013q2/audio_ezfm_074_20131[/audioFiles] C
游客
2023-11-16
52
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:http://tihaiku.com/zcyy/3192113.html
相关试题推荐
[audioFiles]audio_ezfm_0059(20103)[/audioFiles]Adogisthemostusefulan
[audioFiles]audio_ezfm_0308(20103)[/audioFiles]
[audioFiles]audio_ezfm_0260(20103)[/audioFiles]
[audioFiles]audio_ezfm_0365(20103)[/audioFiles]
[audioFiles]audio_ezfm_0118(20103)[/audioFiles]Cheese,nutritiousfoodm
[audioFiles]audio_ezfm_0277(20104)[/audioFiles]
[audioFiles]audio_ezfm_0106(20104)[/audioFiles]
[audioFiles]audio_ezfm_0085(20104)[/audioFiles]
[audioFiles]audio_ezfm_0240(20104)[/audioFiles]
[audioFiles]audio_ezfm_0383(20104)[/audioFiles]
随机试题
DuringwhattimedidthelocationoftheU.S.capitalbechosen?A、JeffersonAdmi
SuggestopediaI.Introduction—basis:how【T1】______worksandhowwelearnmos
Wherecanpeopletakeadulteducationcourses?[br][originaltext]Millions
Forthispart,youareallowed30minutestowriteALetterofComplainttothe
饱和蒸汽分别在形状、尺寸、温度都相同的A、B两个等温垂直壁面上凝结,其中A面上是
患者,男性,65岁,3年前起中上腹部隐痛,呈间歇性,通常于饭前或饭后4~5小时发
电压在500kV的架空电力线路保护区是指:导线边缘向外侧延伸的距离为()。A、5
A.分子内氢键 B.N为酰胺型 C.氮原子杂化方式不同 D.氮阳离子和OH
Mφ不表达A.C3b受体 B.细胞因子受体 C.IgGFc受体 D.MHC
关于施工企业承揽工程的说法,正确的是()。A.施工企业可以允许其他企业使用
最新回复
(
0
)