首页
登录
职称英语
[originaltext] A team of scientists recently began a project to measure the
[originaltext] A team of scientists recently began a project to measure the
游客
2023-09-14
56
管理
问题
A team of scientists recently began a project to measure the effects of loud noises on sea animals. If the sounds don’ t harm to animals, then the researchers can go ahead with a plan to transmit sound waves through the Pacific Ocean to take the earth’ s temperature. Sound travels faster through warm water than cold water. By analyzing the speed of sound through the ocean over time, the scientists will be able to determine if our planet is warming up. The experiment was nearly cancelled more than a year ago, because environmental groups fear that the sound will confuse or harm the sea- animals. So scientists are conducting tests on the animals first. The researchers lowered a loud speaker that emits low frequency sound about 1,000 meters beneath the ocean. Scientists at the site transmit sound waves into the ocean. Radio transmitters attached to some of the sea-animals help the researchers keep track of the animals’ movements. If sea-animals are distressed by the sounds, they would swim away from the speakers. So far, there aren’t any signs that the animals are being harmed. Researchers at the site noticed that large numbers of sea-animals swam near the speaker whether it was turned on or off, but it is still too soon to know for sure, the scientists admit. The test will continue through September. "If all goes well," they say, "We can begin measuring temperature changes on our planet."
选项
A、To attract more sea animals to the testing site.
B、To drive dangerous sea animals away from the testing site.
C、To help trace the sea animals being testing site.
D、To determine how sea animals communicate with each other.
答案
C
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3012772.html
相关试题推荐
[originaltext]Citytrafficisagreatproblem.Morecarsareproducedevery
[originaltext]Citytrafficisagreatproblem.Morecarsareproducedevery
[originaltext]Knowledgecanbegottenfrommanysources.Theseincludebook
[originaltext]Insomecountriesvideogamesacefastbecomingasocialpro
[originaltext]Insomecountriesvideogamesacefastbecomingasocialpro
[originaltext]W:OurlecturetodayisgivenbyProfessorLincoln.He’sgoingto
[originaltext]W:OurlecturetodayisgivenbyProfessorLincoln.He’sgoingto
[originaltext]M:Okay.Mrs.Smith.Let’sbeginyourroadtest.W:Oh.IknowI’
[originaltext]Sciencefictionwritershaveoftenimaginedhumanbeingsgoin
[originaltext]Sciencefictionwritershaveoftenimaginedhumanbeingsgoin
随机试题
Fromchildhoodtooldage,wealluselanguageasameansofbroadeningour
SECTION3Questions21-30Questions21Whichthreeguestsareontheradiopro
A.两种酸浓度相同 B.两种酸的电离度相同 C. D.
统计报表( )。A.按报送周期可分为月报、季报、年报 B.是一种自下而上提供
一4岁儿童,大便每日一行,色黄质软,便时下血,应首先考虑为A.早期肛裂 B.
以下哪项是氰苷的苷元A.酯 B.氢氰酸 C.α-羟基腈 D.醛
某小儿体重为15kg,A药物的成人剂量为每日2g,B药物的小儿剂量为每日每公斤体
东航(MU)通过位于瑞士的国际航协清算所向大韩航空(KE)结算时采用的开账货币应
对胰液分泌起抑制作用的是A.禁食 B.注射阿托品 C.注射生长抑素 D.将
南京某锅炉厂将其生产用的锅炉设备(价值80万元)向保险公司投了火灾保险。2010
最新回复
(
0
)