首页
登录
职称英语
Pollution occurs whenever unnatural substances are introduced into an envir
Pollution occurs whenever unnatural substances are introduced into an envir
游客
2023-12-06
43
管理
问题
Pollution occurs whenever unnatural substances
are introduced into an environment. Most ocean
pollution caused by humans are concentrated along the 【M1】______
coasts of continents. Let’s see what some of the pollutants are.
Industrial wastes sometimes get to seawater. Often, 【M2】______
these contain(concentrations)of metals and chemicals
that harm organisms. Solid wastes, such as plastic bags
and fishing line left lying on the beaches, can entangle
in animals. Medical waste such as needles, plastic 【M3】______
tubing, and bags are a threat to both humans and
animals.
Pesticides, which include herbicides(weed killers)
and insecticides(insect killers), used in farming
reaching the ocean as runoff. They become 【M4】______
concentrating in the tissues of marine organisms. 【M5】______
Crop fertilizers and human sewage create a
different kind of problem. They fertilize the water. This
causes some types of algae to produce very rapidly. 【M6】______
When these algae die, they’re decomposed by huge
amount of bacteria. The problem is that the bacteria use 【M7】______
up much of the oxygen in the water during respiration.
However, other organisms such as fish can’t get the 【M8】______
oxygen they need, and they die.
Oil spills also pollute the ocean. You’ve heard in
the news about major oil spills caused to tanker 【M9】______
collisions, and leaks at offshore oil wells. Another
source of oil pollution is oil mixed with wastewater
that’s pumped out of ships. In addition to these
resources, oil discarded from cars and industries is 【M10】______
sometimes dumped into streams. It, too, eventually
reaches the ocean. [br] 【M9】
选项
答案
to—by
解析
介词错误。原句的意思是“油轮碰撞导致石油泄漏”,显然to不合适。
转载请注明原文地址:https://tihaiku.com/zcyy/3250497.html
相关试题推荐
Griceintroducedfourcategoriesofmaxims,whichofthefollowingmeansthatwe
NewDealwastheprogramofsocialandeconomicreformsintroducedbyPresident
WheneverIspeaktoeducatorsandinterestedlaypeopleaboutneuroplasticity
WheneverIspeaktoeducatorsandinterestedlaypeopleaboutneuroplasticity
WheneverIspeaktoeducatorsandinterestedlaypeopleaboutneuroplasticity
Whatisthefindingintroducedbytheinterviewee?[br][originaltext]W;I’mKe
Whatisthefindingintroducedbytheinterviewee?[br][originaltext]W;I’mKe
Whatisthefindingintroducedbytheinterviewee?[br][originaltext]W;I’mKe
Thephenomenonwhichsometimesoccursinwhichincorrectlinguisticfeaturesbec
Themostwell-knownIrishwriterinmoderntimesis______,whointroducedthes
随机试题
Accordingtothenewsitem,howfarwasthecenteroftheTuesdayearthquakefro
[originaltext]Inthe19thcenturyitwascommontohearpeopleinEuropean
Theamazingsuccessofhumansasaspeciesistheresultoftheevolutionary
根据以下材料,回答问题 阅读韩愈《张中丞传后叙》中的一段文字,然后回答小题。
强心苷抗慢性心功能不全的主要作用是什么A.正性肌力作用B.增加自律性C.负性频率
患者,男性,58岁,因发热待查入院。护士为其测量生命体征每天4次,此措施属于A、
下列关于个人活期存款的说法正确的有( )。A.可以随时存取 B.通常1元起存
可引起出血性膀胱炎的抗肿瘤药物是A.多柔比星 B.氟尿嘧啶 C.甲氨蝶呤
下列氨基酸中不属于必需氨基酸的是A.缬氨酸 B.苏氨酸 C.赖氨酸 D.蛋
劳动法律责任形式中,()是最严厉的一种法律责任,具有强制性。A.经济责任 B
最新回复
(
0
)