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
44
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.
【C6】______
选项
A、matter
B、issue
C、affair
D、question
答案
B
解析
issue表示人们感兴趣的,讨论最多的话题,符合语意要求。matter麻烦事,小事;affair多指公众事件或政治事件;question问题。
转载请注明原文地址:https://kaotiyun.com/show/wu9O777K
0
考博英语
相关试题推荐
Becauseheis______,wecannotpredictwhatcoursehewillfollowatanymoment.
Inoursocietytherazorofnecessitycutsclose.Youmustmakeabucktosurvivetheday.Youmustworktomakeabuck.Thejob
Inoursocietytherazorofnecessitycutsclose.Youmustmakeabucktosurvivetheday.Youmustworktomakeabuck.Thejob
Inoursocietytherazorofnecessitycutsclose.Youmustmakeabucktosurvivetheday.Youmustworktomakeabuck.Thejob
______Iloveyou,Icannotlendyouanymoremoney.
Themassacreofinnocentpeoplecannoteverbecondoned.
Militaryordersare______andcannotbedisobeyed.
Themagnitudeoftheproblemofdisappearingspecies,viewedworldwide,dwarfsresourcescurrentlyavailabletoaddressit.Byt
Indeed,______maydevelopinbehavioroccurringbetweendifferentspecies.
随机试题
关于人体的铁代谢,下列说法错误的是()。
下列哪项不属于虚热型肺痿的病因
营销观念取代传统经营观念是企业经营思想上的一次革命性的转变,其核心思想体现在()。
下列公司组织机构中关于公司职工代表的表述中,不符合《公司法》规定的是()。
制定我国教育目的的理论依据是马克思主义关于人的全面发展的学说。()
李某被县公安局处以10日行政拘留,3个月后李某向县政府申请行政复议,县政府以超过申请期限为由决定不予受理。李某遂以县公安局为被告向县人民法院提起行政诉讼,要求撤销县公安局的处罚决定。对于李某提起的诉讼,县人民法院应()。
Americans’prideandfaithoftheireconomicsystem,【B1】______thatitprovidesopportunitiesforallcitizenstohavegoodliv
Theimportanceandfocusoftheinterviewintheworkoftheprintandbroadcastjournalistisreflectedinseveralbooksthath
A、Anexportsalesmanworkingoverseas.B、Anaccountantworkinginthecompany.C、Aproductionmanagerinabranch.D、Apolicyma
说明:请按照中文提供的信息,将下述内容填入英文表格。欢迎加入我们!中国进出口公司是一家著名的进出口贸易公司,总部设在北京,为了拓展业务,公司现招聘市场营销顾问一名。该职位主要负责市场调研以及市场拓展。职位要求:应聘者需是市场营销专业
最新回复
(
0
)