首页
登录
职称英语
It is hard to track the blue whale, the ocean’s largest creature which has a
It is hard to track the blue whale, the ocean’s largest creature which has a
游客
2023-07-29
11
管理
问题
It is hard to track the blue whale, the ocean’s largest creature which has almost been killed off by commercial whaling and is now listed as an endangered species. Attaching radio devices to it is difficult, and 【S1】______ sightings are too unreliable to give real 【S2】______ into its behavior.
So biologists were delighted early this year when with the help of the Navy, they were able to 【S3】______ a particular blue whale for 43 days, monitoring its sounds. This was possible because of the Navy’s formerly top-secret system of under water listening devices spanning the oceans. Tracking whales is but one example of an exciting new world just opening to civilian scientists after the cold war as the Navy starts to share and partly 【S4】______ its global network of underwater listening system built over the decades to track the ships of 【S5】______ enemies.
Earth scientists announced at a news conference recently that they had used the system for closely 【S6】______ a deep-sea volcanic eruption (爆发) for the first time.
The speed of sound in water is 【S7】______ one mile a second—slower than through land but faster than through air. What is most important, different 【S8】______ of ocean water can act as channels for sounds, focusing them in the same way a stethoscope (听诊器) does when it 【S9】______ faint noises from a patient’s chest to a doctor’s ear. This focusing is the main reason that even 【S10】______ weak sounds in the ocean, especially low-frequency ones, can often travel thousands of miles.
A) layers B) roughly C) observation D) monitoring
E) visual F) uncover G) discover H) carries
I) relatively J) visible K) insight L) examining
M) potential N) considerably O) track [br] 【S9】
选项
答案
H
解析
从句子结构上判断应选择一个动词,而且必须是第三人称单数形式,carry有“(使声音)传到(某距离)”的意思,故选择H。
转载请注明原文地址:https://tihaiku.com/zcyy/2879111.html
相关试题推荐
【B1】[br]【B6】[audioFiles]audio_eufm_j01_308(200910)[/audioFiles]creatures语境推断[
[originaltext]LosAngelestodayisthesecondlargestcityinAmerica,sprawlin
[originaltext]LosAngelestodayisthesecondlargestcityinAmerica,sprawlin
[originaltext]LosAngelestodayisthesecondlargestcityinAmerica,sprawlin
RussiaisthelargesteconomicpowerthatisnotamemberoftheWorldTradeOrg
RussiaisthelargesteconomicpowerthatisnotamemberoftheWorldTradeOrg
RussiaisthelargesteconomicpowerthatisnotamemberoftheWorldTradeOrg
RussiaisthelargesteconomicpowerthatisnotamemberoftheWorldTradeOrg
[originaltext]AntarcticaisthefifthlargestoftheEarth’ssevencontinen
[originaltext]AntarcticaisthefifthlargestoftheEarth’ssevencontinen
随机试题
Whichofthefollowingisthemostappropriatetitleforthepassage?[br][ori
MoreattentionwaspaidtothequalityofproductioninFranceatthetimeo
[originaltext]Haveyoueverbeenafraidtotalkbackwhenyouareunfairly
行政人员履行责任的行为模式之一是:“行政人员有责任考虑他或她的行为对相关的顾客可
农民,男性,上山砍柴时不慎被毒蛇咬伤小腿,现场的处理措施正确的是A.在伤口近心端
总需求曲线向下方倾斜的原因是()。A.随着价格水平的下降,居民的实际财富下
共用题干 男,65岁。因肺癌住院治疗,使用头孢噻肟钠和利巴韦林抗感染,第5天出
在改革开放的政策指导下,为利用国外资金,加快我国建设步伐,我国开始利用国际债券市
调整工程进度计划时,调整内容一般包括()。A.工程量的调整 B.工作工艺过程
甲施工企业为能在市政府办公楼项目中中标,以投资考察的名义,安排市主管领导及家人赴
最新回复
(
0
)