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
38
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
【S5】
选项
答案
M
解析
根据句子可以推断此选项应选动词,语态为被动语态。这句话的意思是“此鲨DNA中的遗传因子与被分类为圆齿锥头鲨的因子区别很大。”
转载请注明原文地址:https://kaotiyun.com/show/sLM7777K
0
大学英语四级
相关试题推荐
A、Somewherethatiswithinashortdrivingdistanceofcampus.B、Anapartmentwithfurniturealreadyinit.C、Aplacewhereshe
Theyoungnursetriedherbestto______thewoundedandtheirsickdayandnight.
A、Iteliminatedmanyfactoryjobs.B、Itallowedworkerstolivefarfromtheirjobs.C、Itgaveworkersopportunityforbettertr
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsibleforthewhitemen’sunemployment.Americanshel
Inrecentyearsmanycountriesoftheworldhavebeenfacedwiththeproblemofhowtomaketheirworkersmore【B1】______.Someex
Themodernageisanageofelectricity.Peoplearesousedtoelectriclights,radio,televisions,andtelephonesthatitisha
VisitorsusuallyfindmostAmericans,foralltheirinformality,verypolite.Thisreputationseemstorestlargelyonthegreat
Childrenwhoareover-protectedbytheirparentsmaybecome______.
Bysaying"nodocumentissafeanymore",theauthorprobablymeans______.AccordingtoDr.Chiu,whatmakesitpossibletotr
Forthispart,youareallowedthirtyminutestowriteacompositiononthetopicMyHopeforWhatChinaWillbelikein2050.Y
随机试题
下列对亚硒酸钠叙述不正确的是
有患者血中尿酸含量>80mg/L,经临床别嘌呤醇治疗后尿酸降为50mg/L,病人尿液中可能出现哪种化合物
再生障碍性贫血的诊断主要依据是
我国的工程咨询单位有()几种类型。
对设备检查验收的要求主要有( )。
在教育过程中,教师虽然总是处于“教”与“导"的地位,但教与学之间的关系是辩证的。()
说“把玩学术”不太合适,显得有点______,但如果是“沉潜把玩”呢?其实,读书做学问,目的性太强,很难达到痛快淋漓、出神入化的地步。这一点,学问与游戏之道是______的,缺乏足够的好奇心、求知欲、距离感,反而做不好。按照今日不少人的“学者”标准,恐怕传
根据下列统计资料回答问题。2010年我国在线教育市场规模为491.1亿元,到2015年在线教育市场突破千亿元大关,达1171亿元。与热闹的市场相对的是,行业整体面临较大的盈利困难。截至2015年年底.我国约有9500家从事互联网教育的公司,经过对其
在三班的一次语文考试中,何捷的成绩比小马好,小珍的成绩比丹丹差,所以何捷的成绩比小珍好。以下各项作为新的前提分别加人到题干的前提中,除了一项外,都能使题干的推理成立。不能使推理成立的是哪一项?()
AllergyReportsPromptVaccineRecallKUALALUMPUR-TheHealthDepartmentrecalled5,000dosesoftetanusvaccineafterreceivi
最新回复
(
0
)