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
2024-06-16
38
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 the 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 cur 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 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 swim 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 track the sea animals being tested.
D、To determine how sea animals communicate with each other.
答案
C
解析
Far what purpose were radio transmitter used?
转载请注明原文地址:https://tihaiku.com/zcyy/3636550.html
相关试题推荐
[originaltext]InBritainthereare11nationaldailynewspapersandmostpe
[originaltext]Bill:Betty,youspeakseverallanguages,don’tyou?Betty:Yes,
[originaltext]Bill:Betty,youspeakseverallanguages,don’tyou?Betty:Yes,
[originaltext]Theinterpretationofdreamshasbeenafavoriteactivityof
[originaltext]Theinterpretationofdreamshasbeenafavoriteactivityof
[originaltext]Ourenvironmentisbeingpollutedfasterthannatureandman’
[originaltext]Ourenvironmentisbeingpollutedfasterthannatureandman’
[originaltext]Ourenvironmentisbeingpollutedfasterthannatureandman’
[originaltext]M:Goodevening,dearaudience.I’mgladtocontinuethetopicab
[originaltext]M:Goodevening,dearaudience.I’mgladtocontinuethetopicab
随机试题
(中国矿业大学2014年试题)Aperson’shomeisasmuchareflectionofhispersonality
SarahranintoHelenatanartexhibitionandthetwoquicklystruck______ane
[originaltext]M:Myparentsaretakingmetoareallyfancyrestauranttonight.
兼有受体和蛋白激酶活性的是()。A.胰岛素受体 B.肾上腺素受体 C.干扰
膨胀水泥防水混凝土是利用膨胀水泥水化时产生的体积膨胀,使混凝土在约束条件下的抗裂
如果某工厂与劳动者之间签订所谓的“奋斗者协议”,核心就是放弃加班费,这种情况下,
下列各项中,属于技术分析法的有( )。 Ⅰ.K线理论 Ⅱ.切线理论 Ⅲ.
阿米巴痢疾患者粪便常规检查应采取的标本是A、黏液B、脓液C、血液D、脓血黏
除非不把名言当真理,否则就会走奇路。以下项的意思与此不同?()A.只有走弯路
长期不用的电机其绝缘电阻不能满足相关要求时,必须进行干燥。下列选项中属于电机通电
最新回复
(
0
)