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
Sharks Perform a Service for Earth’s Waters It is hard to get people to think of sharks as anything but a deadly enemy. They
Sharks Perform a Service for Earth’s Waters It is hard to get people to think of sharks as anything but a deadly enemy. They
admin
2015-07-17
63
问题
Sharks Perform a Service for Earth’s Waters
It is hard to get people to think of sharks as anything but a deadly enemy. They are thought to【C1】______ people frequendy. But these fish perform a【C2】______service for earth’s watersand for human beings. Yet business and sport fishing are threatening their【C3】______. Somesharks are at【C4】______of disappearing from earth.
Warm weather may influence both fish and shark activity. Many fish swim near coastal areas【C5】______their warm waters. Experts say sharks may follow the fish into the same areas, 【C6】______people also swim. In fact,most sharks do not purposely charge at or bite humans.They are thought to mistake a person【C7】______a sea animal,such as a seal or sea lion. Thatis why people should not swim in the ocean when the sun goes down or comes up. Those are the【C8】______ when sharks are looking for food. Experts also say that bright colors and shiny jewelry may cause sharks to attack.
A shark has an extremely good sense of smell. It can find small amounts of substances in water,such as blood, body liquids and【C9】______produced by animals.These powerful【C10】______help sharks find their food. Sharks eat fish,any【C11】______ sharks,and plantsthat live in the ocean.
Medical researchers want to learn more about the shark’s body defense and immune systems【C12】______ disease.Researchers know that sharks【C13】______quickly from injuries. Theystudy the shark in hopes of finding a way to fight human disease.
Sharks are important for the world’s【C14】______.They eat injured and diseased fish. Theirhunting activities mean that the numbers of other fish in ocean waters do not become too 【C15】______. This protects the plants and other forms of life that exist in the oceans.
【C15】
选项
A、weak
B、litde
C、few
D、great
答案
D
解析
本段其余三句都是说明为什么鲨鱼有益于海洋。它们吃海洋动物,结果使得海洋中的动物数量不会过多。weak,little,few都与上面表达的意思相反,所以只有great是答案。
转载请注明原文地址:https://kaotiyun.com/show/D6Gd777K
本试题收录于:
职称英语理工类A级题库职称英语分类
0
职称英语理工类A级
职称英语
相关试题推荐
HowtoSeeFriendshipMorethanfortythousandreaderstolduswhattheylookedforinchosefriendships,whattheyexpected(51)
HowtoSeeFriendshipMorethanfortythousandreaderstolduswhattheylookedforinchosefriendships,whattheyexpected(51)
AdviceofaWriterManyayoungpersontellsmehewantstobeawriter.Ialwaysencouragesuchpeople,butIalsoexplainthat
ANewFindingBritishcancerresearchershavefoundthatchildhoodleukaemiaiscausedbyaninfectionandclustersofcase
BecauseofDelaware’slenientlawsregardingbusinessincorporation,manycompanieshavetheirheadquartersinthestate’slarge
HowtoEducateChildrenAsEleanorRooseveltoncesaid,“Universalhumanrightsbegininsmallplaces,closetohome.”And
TheFirstNavigationalLightsIntheNewWorldthefirstnavigationallightswereprobablylanternshungatharborentrances
ArcticMeltEarth’sNorthandSouthPolesarefamousforbeingcoldandicy.Lastyear,however,theamountoficeintheArctic
TheCaribbeanIslandsWhatwouldyouseeifyoutookacruisetotheCaribbeanIslands?Palmtreesandcoconuts(椰子)?Whiteb
随机试题
A.招标定价B.最高出厂价格和最高零售价格C.谈判定价D.市场自主定价对部分专利药品、独家生产药品实行
用失笑散及大剂量红花、降香治疗胸痹心痛的是
某承包商于某年承包某外资工程的施工,与业主签订的承包合同约定:工程合同价2000万元;若遇物价变动,工程价款采用调值公式动态结算。该工程的人工费占工程价款的35%,水泥占23%,钢材占12%,石料占8%,砂料占7%,不调值费用占15%;开工前业主向承包商支
港航工程施工由承包商提供的担保主要类型有()。
建筑材料采购合同中,凡委托运输部门或单位运输、送货或代运的产品,交货期限一般以()的日期为准。
仲裁协议应当包括的内容有()。
板印书籍,唐人尚未盛为之,自冯灜王①已后,典籍皆为板本。庆历②中,有布衣毕昇又为活板。其法,用胶泥刻字,薄如钱唇③,每字为一印,火烧令坚。先设一铁板,其上以松脂、腊和④纸灰之类冒⑤之,欲印则以一铁范⑥置铁板上,乃密布字印。满铁范为一板,持就火炀之,药稍镕
2015年福布斯全球企业前十五强中,员工人均创造利润超过10万美元的有:
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
WhichteamhasbeenbeatenbytheGreekNationalteamonitswaytowinthefinal?
最新回复
(
0
)