首页
登录
职称英语
A new【S1】______distinct species of hammerhead shark, the ninth recognized sp
A new【S1】______distinct species of hammerhead shark, the ninth recognized sp
游客
2023-07-12
40
管理
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 [br] 【S2】
选项
答案
N
解析
根据句子可以推断此选项应选动词,时态应为现在时的某种时态。主语the species“种类”,形式复数,但为单数名词,故谓语应用单数第三人称形式。选项中只有appears符合,appear to be“似乎”为固定词组。
转载请注明原文地址:https://tihaiku.com/zcyy/2830644.html
相关试题推荐
____________(人口控制问题)hastoberecognizedandapproachedinaworldenvironmenta
Anew【S1】______distinctspeciesofhammerheadshark,theninthrecognizedsp
Anew【S1】______distinctspeciesofhammerheadshark,theninthrecognizedsp
Anew【S1】______distinctspeciesofhammerheadshark,theninthrecognizedsp
Anew【S1】______distinctspeciesofhammerheadshark,theninthrecognizedsp
Anew【S1】______distinctspeciesofhammerheadshark,theninthrecognizedsp
Anew【S1】______distinctspeciesofhammerheadshark,theninthrecognizedsp
Anew【S1】______distinctspeciesofhammerheadshark,theninthrecognizedsp
EachUSDAbeefgradeisameasureofadistinctlevelofquality.Becausebe
EachUSDAbeefgradeisameasureofadistinctlevelofquality.Becausebe
随机试题
Teachersintheprogrammusthavean(advance)______proficiencylevelinEnglish
Collegeisaplacetoexploremanypossibilities;youreallycan’tdoitall—
Youcanperformallthosefunctionsthatyouperformatpresentwithyourmo
[originaltext]Okay,we’vebeendiscussingfilmsinthe1920sand1930s,and
[originaltext]W:Hello,Danny.ThisisAnna.I’mcallingfromwork.How’syour
侵蚀性葡萄胎的诊断依据是A.β-HCG定量测定 B.病理分级 C.葡萄样水泡
影响药物吸收的剂型因素A.肾小球过滤 B.血脑屏障 C.胃排空与胃肠蠕动
在“页眉/页脚”中,不能插入( )A.字符 B.日期 C.页码
关于当事人能力和正当当事人的表述,下列哪一选项是正确的?A:一般而言,应以当事人
投资项目决策分析与评价的基本要求包括贯彻落实科学发展观、资料数据准确可靠和()
最新回复
(
0
)