首页
登录
职称英语
[originaltext] Before I tell you about the interesting discovery related to
[originaltext] Before I tell you about the interesting discovery related to
游客
2024-04-11
12
管理
问题
Before I tell you about the interesting discovery related to the tyrannosaurus rex,(23)I need to review something we studied last semester: the differences between what we commonly called cold-blooded and warm-blooded animals. In warmblooded animals, birds and mammals for examples, the body temperature normally stays within a narrow range no matter what the outside temperature is. As a result, a warm-blooded animal is usually active in both cold and hot weather because the body temperature can adjust to the temperature as in the environment.(24)On the other hand, coldblooded animals, such as most reptiles, amphibians and insects, are unable to create enough heat internally to raise their temperature above the temperature of the environment. So, for example, the temperature of a cold-blooded animal falls when the environment is cool. I hope this extension is clear. Now moving on to the tyrannosaurus rex, you may know that dinosaurs being reptiles are generally believed to have been cold-blooded.(25)Well, a recent research study has found that a chemical composition of the bone of the tyrannosaurus rex was consistent with the bone of the animal that has a very narrow range of the internal temperature, indicating that it was probably warm-blooded.
23. What is the main topic of the lecture?
24. What is likely to happen to cold-blooded animals when the weather is cold?
25. Why does the speaker discuss tyrannosaurus rex?
选项
A、Their ability to survive is diminished.
B、Their body temperature goes down.
C、Their ability to digest food improves.
D、Their level of energy and activity increases.
答案
B
解析
由“On the other hand,cold—blooded animals,such as most reptiles,am—phibians and insects,are unable to createenough heat internally to raise their temperatureabove the temperature of the environment.So,for example,the temperature of a cold—bloodedanimal falls when the environment is cool.”可知在寒冷的环境下变温动物自身的温度会下降。
转载请注明原文地址:https://tihaiku.com/zcyy/3551113.html
相关试题推荐
[originaltext]Today,I’mgoingtotalkaboutthehealthproblemsrelatedto
[originaltext]Today,I’mgoingtotalkaboutthehealthproblemsrelatedto
[originaltext]Theterm"Americandream"iswidelyusedtoday.Butwhatexac
[originaltext]Psychologistshavemanytheoriestoexplainhowwerememberi
[originaltext]Kuwaitisacountrywhichisquitesmall,butwhichisveryr
[originaltext]Mostdoctorshavelongbelievedthatreducingsaltcandecrea
[originaltext]Mostdoctorshavelongbelievedthatreducingsaltcandecrea
[originaltext]Mostdoctorshavelongbelievedthatreducingsaltcandecrea
[originaltext]M:Interestinglecturetoday,didn’tyouthink?W:Well,Isuppos
[originaltext]M:Interestinglecturetoday,didn’tyouthink?W:Well,Isuppos
随机试题
It’srareforaEuropeantobehonoredinthewaythatrockartexpertGeor
(1)Ayearago,mostpeoplewouldhavedrawnablankifaskedaboutZika.Si
患者,女性,47岁,近三个月来,腹部逐渐增大伴腹痛、腹胀入院;查体:腹部膨隆,腹
患者,女性,52岁,房屋坍塌致大腿挤压伤、急性肾衰竭。按原因分类其肾衰竭属于A.
按照标的资产分类,权证的分类不包括()。A、股权类权证 B、债权类权证 C
根据继电保护和安全自动装置缺陷通用归类原则,直流系统接地属于严重缺陷
承重墙梁,各部分尺寸见图及表,托梁混凝土强度等级为C20,纵向受力钢筋采用HRB
诊断原发性下肢深静脉瓣膜功能不全最可靠的检查方法是( )。A.Buerger试
按照葛兰碧的量价关系法则,在股价走势因成交量的递增而上升时,如果上升幅度较大,
矿业工程项目在进行施工现场准备时,关于需要完成的任务,说法不正确的是()。A
最新回复
(
0
)