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
考研
Imagine fishermen walking down to the seashore, ready to carry out their early morning routine of preparing their boats and net.
Imagine fishermen walking down to the seashore, ready to carry out their early morning routine of preparing their boats and net.
admin
2012-05-19
60
问题
Imagine fishermen walking down to the seashore, ready to carry out their early morning routine of preparing their boats and net.【C1】______they hope for a good catch of fish. But to their 【C2】______, a horrible sight meets their still sleepy eyes. Thousands of fish have been washed【C3】______dead. The cause of this mass destruction? A red tide!
Red tides are a global【C4】______. They have been observed on both the Atlantic and the Pacific coasts of the United States and Canada. They have also【C5】______in many other places. Though relatively few people are【C6】______them, red tides are not new.
In the Philippines, a red tide was first seen in the province of Bataan in 1908. Since then, red tides have been seen in many other【C7】______. A Philippines red tide expert told us that "【C8】______the fish kills, the Philippines has documented 1, 926 cases of dead shellfish poisoning caused by red tides. "
The term "red tide"【C9】______the discoloration of water that sometimes occurs in certain areas of the ocean or sea. Although the color is often red, it may also be【C10】______of brown or yellow. The World Book Encyclopedia reports that "the discolored areas may range from【C11】______a few square yards to more than 2,600 square kilometers. "
What causes such discoloration? Red tides are generally caused by several【C12】______of single-celled organisms. These tiny organisms have hair-like projections which they use to【C13】______themselves in water. There are about 2,000 varieties of these organisms, 30 of which carry poisonous【C14】______. These minute organisms usually stay in warm waters with high content of salt.
A red tide occurs when there is a sudden and rapid【C15】______of these organisms. The concentration of these organisms may【C16】______to 50,000,000 per quart of water! Although scientists do not fully understand why this happens, it is known that these organisms【C17】______when certain conditions simultaneously affect the water. These include abnormal weather, 【C18】______temperatures, an oversupply of nutrients in the water, a generous【C19】______sunlight, and favorable water currents. When a heavy rainfall occurs, minerals and other nutrients are sometimes washed【C20】______the land into coastal water. These nutrients can contribute to the breeding of the organisms. The result? Red tides!
【C17】
选项
A、accelerate
B、accommodate
C、accumulate
D、accompany
答案
C
解析
转载请注明原文地址:https://kaotiyun.com/show/t8p4777K
0
考研英语一
相关试题推荐
Studythefollowingdrawingcarefullyandwriteanessayinwhichyoushould1)describethedrawing,2)interpretitsm
Mountaineeringisasportwhichinvolves______.Mountaineeringisalsoateamsportbecause______.
Thewinnertakesall,itiswidelysupposedincomputingcircles.Indeed,geekshavecoinedaword,"Googlearchy",forthewayi
Title:ParentsaretooPermissivewithTheirChildrenNowadaysYourcompositionshouldbebasedontheOutlinegiveninChin
Youaregoingtoreadatextaboute-mail,followedbyalistofdetailexplanationsorcitedstatements.Choosethebestrelate
ImaginetheU.S.economicgainsofthe1990s,andwhatcomestomind?Perhapsitwashowthestockmarketruled:Allthoseiniti
Accordingtothepassage,businesstravelersusedtoTravelerscannowdemandhotelstomatchtheirownpricesbecause
Inthetwodecadesbetween1929and1949,sculptureintheUnitedStatessustainedwhatwasprobablythegreatestexpansionins
TheprimarypurposeofthetextistoAccordingtotheorganizationofthetext,itmostlikelyappearedin
Imaginebeingaskedtospendtwelveorsoyearsofyourlifeinasocietywhichconsistedonlyofmembersofyourownsex.Howw
随机试题
普通清算会计的一般核算程序有哪些?
纵向分辨力是指前后两点间可分辨的最小距离,其理论计算值应是
左锁骨上淋巴结活检病理报告为转移性腺癌,其原发病灶最不可能的是
道路两旁共有20根电线杆,左边10根,右边10根,而每两根电线杆之间种了一棵树,问共种了多少棵树?()
个体工商户甲将其现有的以及将有的生产设备、原材料、半成品、产品一并抵押给乙银行,但未办理抵押登记。抵押期间,甲未经乙银行同意以合理价格将一台生产设备出卖给丙。后甲不能向乙银行履行到期债务。根据物权法律制度的规定。下列选项中,正确的是()
某公司是一家新建企业,为了在市场竞争中求得生存及长远发展,决定从一开始就采用国家标准或国际标准,规范企业管理,打好管理基础。[2007年真题]为了保证提供顾客满意的产品并不断增强顾客满意,企业可采取的行动是按()标准建立并有效运行质量管理体系。
课程标准是编写教材、教学、评估和考试命题的依据。()
《中华人民共和国公务员法》规定,录用公务员,必须在规定的编制限额内进行,并有相应的()。
没有一个科学家的生命长到能够研究一个物种的演化,却可以通过研究化石和利用自然发展模拟环境等方式,推演出物种发展的过程。这一原则同样适用于对植物的研究,通过推演可以拼凑出生长了几百年甚至上千年的树木的生长过程。以下哪项为真,最能支持上述论断?
Ascheduleiscommonlyusedinprojectplanningandprojectportfoliomanagement._______onaschedulemaybecloselyrelat
最新回复
(
0
)