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
外语
A new【S1】______distinct species of hammerhead shark, the ninth recognized species of hammerhead, has been discovered off the So
A new【S1】______distinct species of hammerhead shark, the ninth recognized species of hammerhead, has been discovered off the So
admin
2013-06-17
43
问题
A new【S1】______distinct species of hammerhead shark, the ninth recognized species of hammerhead, has been discovered off the South Carolina coast, scientists say. The new species 【S2】______to be rare and lives off the South Carolina coast. Classified under the genus sphyrna, will be called the "cryptic species" for the time being.
Joe Quattro, a【S3】______professor at the University of South Carolina, worked with Jim Grady of the University of New Orleans and Trey Driggers of the National Marine Fisheries Service in making the find. They found that genes in the mitochondrial(线粒体) DNA—the DNA passed from mother sharks to their【S4】______differed significantly among sharks that were【S5】______as scalloped (有圆齿的) hammerhead sharks.
The studies also【S6】______that another independent genetic marker differed【S7】______between the two groups of scalloped hammerheads. Scalloped hammerheads are common along the coast and sharks of the cryptic species were found from Florida to Ninth Carolina. The newborn cryptic sharks, however, were found mainly along the South Carolina coast.
"The apparent abundance of the cryptic species in coastal South Carolina could be a result of sampling, but it might also【S8】______the fact that the South Carolina bays axe the more important nursery grounds for the cryptic species," Quattro said. "If South Carolina’s waters are the primary nursery grounds for them and females gather here to【S9】______, these areas should be conservation【S10】______."
A) obviously B) priorities C) proved D) evidence
E) reproduce F) genetically G) generate H) highlight
I) archeology J) offspring K) biology L) revealed
M) classified N) appears O) substantially
【S3】
选项
答案
K
解析
根据句意及常识,应该选biology“生物学”;archeology意为“考古学”。
转载请注明原文地址:https://kaotiyun.com/show/ELM7777K
0
大学英语四级
相关试题推荐
A、Arapidriseinpopulation.B、Ashortageoffuel.C、Destroyofthewilderness.D、Destroyofthenaturalresources.A
Althoughreservationsinadvanceareusuallyrequiredinmotelsinbusyareas,thisisnotalways______inlesscrowdedpartso
CustomsofficersataLondonairportyesterdayfound500,000poundsworthofdrugswhichwerebeingsmuggled(走私)intoBritainin
PerhapslikemostAmericansyouhavesomeextrapoundstoshed.Youmayevenhavetriedafad(时尚)dietortwo,butfoundyourse
Although"liedetectors"arewidelyusedbygovernments,policedepartmentsandbusinesses,theresultsarenotalwaysaccurate.
Although"liedetectors"arewidelyusedbygovernments,policedepartmentsandbusinesses,theresultsarenotalwaysaccurate.
A、Inalibrary.B、Inabookshop.C、Inarestaurant.D、Inadepartmentstore.A
Theemployee’sdemandforpayrisewasturned______byhisboss.
RaisingWiseConsumersAlmostanyonewithaprofitmotiveismarketingtoinnocents.Helpyourkidsunderstandit’sOKnott
A、Readingpapers.B、Researchandpreparation.C、Teachingpupils.D、Preparingexaminations.C细节判断题。考查是否注意A,B,D选项内容已出现,只有C未提到。
随机试题
在资产负债表中存货跌价准备应作为存货的抵减额在存货项目中列示。()
“十一五”时期发展房地产业应该()。
应急救援专家组在应急准备和应急救援中起着重要的参谋作用,包括对()等行动提出决策性的建议。
在Excel中,要求将所有数值小于60的单元格自动显示成红色的数字。实现这个要求可以使用“格式”菜单中的()命令。
企业如果未经海关许可并且补交应缴税款,擅自将批准进口的来料加工、来件装配的零件、制成品等保税货物在境内销售的,海关将对其处以()。
巴塞尔委员会规定的,以下哪些属于流动性资产?()
为了避免游客丢失物品、证件,导游要随时提醒游客()。
下列选项中,属于行政程序制度的是()。
我国地形特点多样,著名的四大盆地中被称为“聚宝盆”的是:
TheUS$3-millionFundamentalPhysicsPrizeisindeedaninterestingexperiment,asAlexanderPolyakovsaidwhenheacceptedt
最新回复
(
0
)