首页
登录
职称英语
Forest Service officials say there are four major threats to forests and wil
Forest Service officials say there are four major threats to forests and wil
游客
2023-08-03
67
管理
问题
Forest Service officials say there are four major threats to forests and wild lands in America. The first is the threat of fire and fuel. This year, fires have 【S1】______ more than three million hectares of land. That is 【S2】______ two times as much as the ten-year average. Fuel is dead plant material and small plants that 【S3】______ under tall trees. The Forest Service estimates that up to one-fourth of the forests it 【S4】______ have dangerous levels of fuel.
Another threat to forests is from invasive species. These are non-native plants and animals that push out 【S5】______ kinds. They can cause a lot of economic damage. Some 【S6】______ are insects. Some are diseases. Others are plants.
The 【S7】______ says another threat to the health of wild lands is the loss of open space. It says over one hectare of forest or grassland is lost to development every minute. Development also leads to the 【S8】______ of large natural areas into smaller ones. Many animals need wide open spaces. Also, building near wild lands increases the risk to homes from forest fires.
The fourth threat to public lands is what the Forest Service calls 【S9】______ recreation. People can hunt, fish and camp in many national forests. But careless 【S10】______ of motor vehicles and other actions can be destructive.
Word Bank:
A. expansion I. native
B. burned J. unmanaged
C. invaders K. virtually
D. monitors L. use
E. agency M. almost
F. grow N. division
G. supervises O. lit
H. institute
选项
答案
B
解析
根据句子结构此处应为动词的过去分词,符合的有B和O;但根据文意可知这里说的是森林大火每年要烧掉三百万公顷土地。lit“点燃”,原形为light。所以应选B。
转载请注明原文地址:https://tihaiku.com/zcyy/2893713.html
相关试题推荐
TheRainforestCityA)A
TheRainforestCityA)A
TheRainforestCityA)A
TheRainforestCityA)A
TheRainforestCityA)A
TheRainforestCityA)A
[originaltext]Amazon.comlauncheditsKindlelibrary-lendingserviceinthe
[originaltext]Amazon.comlauncheditsKindlelibrary-lendingserviceinthe
TheRainforestCityA)Apatchoftropicalr
TheRainforestCityA)Apatchoftropicalr
随机试题
NegativetransferinsecondlanguageacquisitionisknownasA、interference.B、fo
[originaltext]AlthoughAmericaisahugecountry,travelingisveryquicka
电力变压器按其在电力系统中输配电力作用的不同可分为()。A.升压变压器 B
()是指动作做得好而省力,尽量减少时间和能量的消耗。A.动作的准确
A. B. C. D.
旅游休闲是人民分享改革开放成果、体验()的重要载体。A.美丽中国 B.美好中
我国开放式基金每()估值,并于()公告基金份额净值。A.交易日;次日 B.
某地区有两个出租车公司甲和乙,他们推出的出租车的颜色分别是蓝色和红色。经调查发现
根据《城乡规划法》,下列选项中需要申请选址意见书的建设项目是( )。A.以划拨
某物流服务项目采用即时配送方式,要求运输方式机动灵活,实现“门到门”直达服务,该
最新回复
(
0
)