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
外语
Acid ran leads to fish mortality. Many species of fish cannot survive in aquatic environments there the pH is below 5.0. If the
Acid ran leads to fish mortality. Many species of fish cannot survive in aquatic environments there the pH is below 5.0. If the
admin
2013-01-12
29
问题
Acid ran leads to fish mortality. Many species of fish cannot survive in aquatic environments there the pH is below 5.0. If the water is too acid, the gill .systems of many kinds of fish can be damaged. 【C1】______ , the acid alters the blood chemistry of all fish. As a result, the fish population in an acidic environment decreases 【C2】______ becomes extinct. Approximately 20 percent of the lakes in Scandinavia are without fish. Moreover, in Nova Scotia the 【C3】______ salmon industry may be threatened by the decrease of salmon in rivers and streams. The impact is also 【C4】______ in the waters of Ontario and Quebec, where fish populations are 【C5】______ the decline.
What potential remedies exist for the acid rain 【C6】______? The experts disagree. Some say new environmental laws should be 【C7】______ to control the emission of pollutants in the atmosphere. Some say that if we had known how serious acid rain was, we would have planned 【C8】______ to prevent it. 【C9】______, all agree that if the consumption of fossil fuel were reduced, we would have less of a problem. Another 【C10】______ is that special scrubbers could be installed in smokestacks to remove a good 【C11】______ of the pollutants before they get into the atmosphere. Other ideas even include breeding more 【C12】______ fish. And research suggests that spreading lime into lakes may be effective in 【C13】______ acidity. In conclusion, it is clear that if we truly want to reduce the impact of acid rain, a 【C14】______ of remedies and international cooperation must be explored. It is a sad fact that acid rain probably could have been avoided if we 【C15】______ what we know now.
【C5】______
选项
A、on
B、to
C、with
D、at
答案
A
解析
where引导的地点状语从句表示“在这些地方,鱼类的数量呈减少趋势。”介词短语作表语,可以表示动作或状态;表示正在发生的事情,符合题意。
转载请注明原文地址:https://jikaoti.com/ti/wwHYFFFM
0
考博英语
相关试题推荐
Sinceyouhavefailedthreeofthelastfourtests,youcannotaffordtobe______aboutpassingfortheterm.
Becauseheis______,wecannotpredictwhatcoursehewillfollowatanymoment.
Inoursocietytherazorofnecessitycutsclose.Youmustmakeabucktosurvivetheday.Youmustworktomakeabuck.Thejob
Inoursocietytherazorofnecessitycutsclose.Youmustmakeabucktosurvivetheday.Youmustworktomakeabuck.Thejob
______Iloveyou,Icannotlendyouanymoremoney.
Themassacreofinnocentpeoplecannoteverbecondoned.
Themagnitudeoftheproblemofdisappearingspecies,viewedworldwide,dwarfsresourcescurrentlyavailabletoaddressit.Byt
Inordertosurvivenowand______inthefuture,alltheworkingstaffmustconstantlycreatenewideasforeveryaspectofyou
(Despite)thissimilaritywith(other)creatures,theevolutionofhumankinddiffersfrom(otherspecies)in(one)importantand
随机试题
A.参附龙牡救逆汤B.银翘散C.麻杏石甘汤合银翘散D.参附汤E.羚角钩藤汤
ChildrenforwhomschoolhasnopointManychildrendonotgotoschooleitherbecausetheirparentswantthemathomeasca
关于机体抗凝机制,下列叙述错误的是
下列哪一项不是肝硬化腹水治疗必须遵循的原则
七届人大一次会议通过的宪法修正案规定:“任何组织或者个人不得()或者以其他形式非法转让土地。土地的使用权可以依照法律的规定转让。”
以下不起诉必须经过检察委员会讨论决定的是( )。
背景:某办公楼外装饰幕墙工程,地上20层,正立面为单元式玻璃幕墙5600m2,其他部位为石材12000m2和金属幕墙4700m2、明框玻璃幕墙6000m2,采用钢化中空玻璃,幕墙的开启扇采用隐框玻璃上悬窗。施工过程中,发生了如下事件:
适用于火灾蔓延速度快、闭式喷头不能有效覆盖起火范围等的高危险场所的开式自动喷水灭火系统是()。
请用不超过150字的篇幅,概括出给定材料所反映的主要问题。如果你是国家税务总局工作人员,请用不超过350字的篇幅,谈谈金华县税案给人们哪些警示。
Woman:Don’tyouknowJimworksasadishwasheratarestaurantaroundthecorner?Man:Itisn’tabadjobtostartwith.Iwou
最新回复
(
0
)