首页
登录
职称英语
[originaltext]W: Dr Manning, do you have a few minutes? I’d like to ask you abo
[originaltext]W: Dr Manning, do you have a few minutes? I’d like to ask you abo
游客
2024-03-03
18
管理
问题
W: Dr Manning, do you have a few minutes? I’d like to ask you about this fossil I found.
M: Sure. What have you got there?
W: Well, it’s some kind of shellfish. I thought it might be a brachiopod, but I am not sure. I found it when I went out hiking last weekend.
M: I think you might be right. It certainly appears to be a brachiopod. But it’s easy to confuse them with the bivalve mollusks. Superficially they resemble one another. Both have two shells for example.
W: How can you tell them apart then?
M: Well, there are some minor differences in the shell. A lot of brachiopods have ridge shells like this one. There are other distinctions of course. Internally they are quite different. Mollusks and brachiopods belong to different animal groups, and they had been in competition with one another millions of years ago.
W: How old do you think this one is?
M: It’s hard to tell. The earliest brachiopods were from the Paleozoic era, 300 to 500 million years ago. They were quite successful then in terms of the number of species. It’s not out of the question that your fossil could be that old.
W: Wow, that’s amazing. It makes paleontology seem more interesting when you can hold it in your hand.
M: You know, that gives me an idea. Would you mind bringing this to our next class? The others might find it interesting too.
W: Well, I could. But if you don’t already have one in your collection, I thought you might as well keep it.
M: That’s very kind of you.
选项
A、Ways to determine the age of a fossil.
B、The identity of a fossil the woman found.
C、A comparison of two shellfish fossils.
D、Plans for a field trip to look for fossils.
答案
B
解析
What are the speakers mainly discussing?
综合推断题。女士找到了一块贝类化石,她就此问了男士几个问题,男士帮女士确定了化石的种类,而女士还想知道该化石所属的年代,由此推断,该对话主要与确认女士所找到的化石的属性有关,故选B。
转载请注明原文地址:https://tihaiku.com/zcyy/3502486.html
相关试题推荐
[originaltext]Moderator:Goodmorning,ladiesandgentlemen.Itgivesm
[originaltext]Moderator:Goodmorning,ladiesandgentlemen.Itgivesm
[originaltext]Goodmorning,everyone.Today,I’dliketotalkabouttherel
[originaltext]Goodmorning,everyone.TodayI’dliketosaysomethingabout
[originaltext]Sixyearsago,therewasnothingTiffanyGeorgialovedmoret
[originaltext]Sixyearsago,therewasnothingTiffanyGeorgialovedmoret
[originaltext]Whenwemakefriends,itcanhelptohavesomethingincommon
[originaltext]Whenwemakefriends,itcanhelptohavesomethingincommon
[originaltext]Whenwemakefriends,itcanhelptohavesomethingincommon
[originaltext]W:Steven,ifIgotoEngland,whichonewouldyousayisthebes
随机试题
Whenanumberofpeople______togetherinaconversationalknot,eachindividua
Weareinformedthatourpricefortheabovearticleistoohigh.Desirousaswe
Michaelisanexampleofaseverelydisabledpersonwhohasbecome______atman
B
拱坝体型设计时,拱端内弧面的切线与利用岩面等高线的夹角不应小于( )。A.60
CK是由2个亚单位组成的二聚体,产生的同工酶有()。A.2种 B.4种 C
共用题干 患儿,男,9个月,腹泻2天,大便为蛋花汤样带黏液,有霉臭味,无尿7小
地下铁路建设必须做好可行性研究,因为()。A.建设工期长 B.环境污染大
有关近曲小管头端对Na+的重吸收,正确的是A.重吸收滤液中30%的Na+ B.
9个月女孩,母乳喂养,面色蜡黄,表情呆滞,烦躁不安,肝肋下2cm,脾肋下1cm,
最新回复
(
0
)