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
自考
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
2012-10-13
79
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 attack frequently. Although these fish perform a【C1】______(value)service for earth’s waters and for human beings, business and sport fishing are【C2】______(threat)their existence. As a result, some sharks are at risk of disappearing from Earth.
Warm weather may influence both fish and shark【C3】______(active). Many fish swim near coastal areas because of their warm waters. Experts say sharks may follow the fish into the same areas, where people also swim. In fact, most sharks do not【C4】______(purpose)charge at or bite humans. They are【C5】______(think)to mistake a person for a sea animal, such as a seal(海豹)or sea lion. That is why people should not swim in the ocean when the sun【C6】______(go)down or comes up, because those are the times when sharks are looking for food. Experts also say that bright colors and shiny jewelry(珠宝)may cause sharks to attack.
Medical researchers want to learn【C7】______(much)about the shark’s body defense and immune(免疫的)systems against disease.【C8】______(research)know that sharks recover quickly from injuries. They study the shark in hope of finding a way to fight human disease.
Sharks are important for the world’s oceans, as they eat【C9】______(injure)and diseased fish. Their【C10】______(hunt)activities mean that the numbers of other fish in ocean waters do not become too great. This protects the plants and other forms of life that exist in the oceans.
【C4】
选项
答案
purposely
解析
动词词组charge at和bite前缺少副词来修饰它们。purposely,adv.故意地。
转载请注明原文地址:https://kaotiyun.com/show/lfAR777K
本试题收录于:
英语(二)题库公共课分类
0
英语(二)
公共课
相关试题推荐
Americansareaveryenergeticandmobilepeople,alwaysontherun,rushingfromoneappointmenttoanother,fromaPTA(Parent-Tea
Onlinelearningisalsocalleddistanceeducation,whichhelpsstudentswhotakeclassesbycomputerovertheInternettolearnc
Thecentraltheatrehasaseating______ofmorethan3,000people.
Inaquiet,darkenedlectureroom,youbeginafrustratingfightagainstfatigue.Theoverheadprojectorhums,andyoucannotconce
Icannot______herendlesscomplaintsamomentlonger.
She’snotbeautiful,butIfindherquite______(attract)becausesheseemssofulloflifeandfun.
WhileIwaswaitingtoenteruniversity,IsawadvertisedinalocalnewspaperateachingpostataschoolinasuburbofLondon
Self-EsteemandBodyImageHealthySelf-Esteem【T1】______Thishealthyattitudeallowsyoutoexploreotheraspectsofg
Self-EsteemandBodyImageHealthySelf-Esteem【T1】______Thishealthyattitudeallowsyoutoexploreotheraspectsofg
McGrady’sartisaspectacle(1)WhenTracyMcGradyishealthy,hisplaycanbesobeautifulthatevenhisownteammateson
随机试题
A.二尖瓣狭窄B.二尖瓣关闭不全C.主动脉瓣狭窄D.肺动脉瓣狭窄最容易并发心房颤动的瓣膜损害是
男孩9岁,咳嗽、发热6天,2天来加重,曾用头孢3天无效,改用大环内酯类抗生素后2天体温下降。T37.5℃,胸片发现左上肺小片状淡薄云絮状阴影。血清冷凝集试验阳性。该患儿考虑为
蛋白质营养不良对免疫系统的损伤主要表现在()。
崩漏的发生主要与哪些经脉有关( )
生物反馈训练要求()。
()是教师专业发展不竭的动力,是时代发展的要求,也是教师职业特点所决定的。
数据表中的一行对应着一个实体,记录着有关实体在某些方面属性特征的数据,这样的一行,我们称字段。()
“准”,就是()。
法律的可诉性特征是指()。
InanewbookcalledPredictions,someoftheworld’sgreatestthinkerspresentavisionofthefuturewithovertonesofascien
最新回复
(
0
)