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
than which contribute A. These nutrients can (56)______to the breeding of the organisms B. more (57)______2, 600 square kilomete
than which contribute A. These nutrients can (56)______to the breeding of the organisms B. more (57)______2, 600 square kilomete
admin
2014-03-15
37
问题
than which contribute
A. These nutrients can (56)______to the breeding of the organisms
B. more (57)______2, 600 square kilometers
C. (58)______carry poisonous substances
The term "red tide" applies to 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 shades of brown or yellow.
The World Book Encyclopedia reports that "the discolored areas may range from less than a few square yards to(59)______."
What causes such discoloration? Red tides are generally caused by several species of single-celled organisms. These tiny organisms have hair-like projections which they use to propel themselves in water. There are about 2,000 varieties of these organisms, 30 of (60)______ these minute organisms usually stay in warm waters with high content of salt.
A red tide occurs when there is a sudden and rapid bloom of these organisms. The concentration of these organisms may swell to 50, 000, 000 per quart of water! Although scientists do not fully understand why this happens. It is known that these organisms accumulate when certain conditions simultaneously affect the water. These include abnormal weather, optimum temperatures, an oversupply of nutrients in the water, a generous amount of sunlight, and favorable water currents. When a heavy rainfall occurs, minerals and other nutrients are sometimes washed from the land into coastal water. (61)______. The result? Red tides!
选项
答案
A
解析
空格前一句的意思为:这些环境包括反常的天气,适宜的湿度,海水中营养物的过度供应,充足的阳光以及起促进作用的水流。当出现暴雨时,矿物质和其他营养物有时被从陆地冲向沿海水域。空格后一句的意思为:结果是什么呢?。所以,A项“这些营养物可能促进这些微生物的生长符”合题意。所以,答案是A。
转载请注明原文地址:https://kaotiyun.com/show/Z5hi777K
0
在职申硕(同等学力)英语
相关试题推荐
Withinalargeconcreteroom,cutoutofamountainonafreezing-coldislandjust1,000kilometersfromtheNorthPole,couldl
concernedincontributesA.dotheirjobs(62)______theirownwayB.Asfarasincreasingproductivityis(63)______C.howmuch
concernedincontributesA.dotheirjobs(62)______theirownwayB.Asfarasincreasingproductivityis(63)______C.howmuch
concernedincontributesA.dotheirjobs(62)______theirownwayB.Asfarasincreasingproductivityis(63)______C.howmuch
thanwhichcontributeA.Thesenutrientscan(56)______tothebreedingoftheorganismsB.more(57)______2,600squarekilomete
thanwhichcontributeA.Thesenutrientscan(56)______tothebreedingoftheorganismsB.more(57)______2,600squarekilomete
随机试题
有机磷杀虫药进入人体的途径通常包括
避孕片1号每片含复方甲地孕酮避孕针每支含
A.渗漉法B.煎煮法C.热熔法D.熔融法E.饱和水溶液法
下列药物中,具有严重的心脏毒性的药物是
区域土地供应潜力收集与调查的资料不包括()。
【2012年真题】计算房地产开发企业应纳土地增值税时,可以从收入中据实扣除的是()。
企业接受非现金资产投资,应以投资合同或协议约定价值入账,但投资合同或协议约定价值不公允的除外。()
给定资料1.在2017年国务院政府工作报告中,李克强总理提出,要“深入实施‘一带一路’建设、京津冀协同发展、长江经济带发展三大战略,启动建设一批重点项目”。“十三五”规划纲要特别提出,“以区域发展总体战略为基础,以‘一带一路’建设、京津
设L:x2+y2=4,则∮L(x2+xy2)ds=_______.
Oneofthemostfashionabletreatmentsfordisease,genetherapy,hassofarmadelittleheadwayintacklingoneofthemostmod
最新回复
(
0
)