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、The effects of hot weather on animals. B、How animals survive in extreme temperatures. C、How changes in location affected dinos
A、The effects of hot weather on animals. B、How animals survive in extreme temperatures. C、How changes in location affected dinos
admin
2015-07-16
114
问题
Before I tell you about the interesting discovery related to Tyrannosaurus rex, I need to review something we studied last semester—the difference between what are commonly called cold-blooded and warm-blooded animals. In warm-blooded animals, birds and mammals, for example, 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 its body temperature can adjust to the temperature of its environment.
On the other hand, cold-blooded 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 distinction is clear. Now, moving on to Tyrannosaurus rex, you may know that dinosaurs, being reptiles, are generally believed to have been cold-blooded. Well, a recent research study found that the chemical composition of the bones of Tyrannosaurus rex was consistent with the bones of an animal that has a very narrow range of internal temperature, indication that it was probably warm-blooded.
6. What is the main topic of the lecture?
7. What is likely to happen to cold-blooded animals when the weather is cold?
8. Why does the speaker discuss Tyrannosaurus rex?
选项
A、The effects of hot weather on animals.
B、How animals survive in extreme temperatures.
C、How changes in location affected dinosaurs.
D、The differences between warm-and cold-blooded animals.
答案
D
解析
这道题具有一定的迷惑性,因为四个选项里都包含这段课堂教学讲话里出现过的单词。在这种情况下,首先要确定各个选项的中心词。四个选项的中心词依次是:effects,survive in extreme temperatures,changes in location,differences. 这样就比较容易排除“炎热天气对动物的影响”、“动物怎样在极端气温下生存”和“地点变化对恐龙的影响”,从而判断出听力材料的主题是选项D(冷血动物与热血动物的区别)。Tyrannosaurus rex:暴龙。
转载请注明原文地址:https://kaotiyun.com/show/jfQ7777K
0
大学英语六级
相关试题推荐
It’spossibletoadmireOprahWinfreyandstillwishHarvardhadn’tawardedheranhonorarydoctoroflawdegreeandthecommenc
Forinvestorswhodesirelowriskandguaranteedincome,U.S.governmentbondsareasecureinvestmentbecausethesebondshave
Testsmaybethemostunpopularpartofacademiclife.Studentshatethembecausetheyproducefearand【B1】______aboutbeingeva
A、Theshowhedirectedturnedouttobeasuccess.B、Hewatchesonlythosecomediesbyfamousdirectors.C、Newcomediesareexci
Yetwitheconomiesinfreefall,managersalsoneedup-to-dateinformationaboutwhatishappeningtotheirbusinesses,sothat
A、Theyforcepeopletofollowtheculturalmainstream.B、Theyexaggeratetherolesofcertaingroupsofpeople.C、Theyemphasize
A、Sincelastyear.B、Forseveralweeks.C、Forafewdays.D、Forafewhours.C
HowSafeIsYourCellPhone?A)IttakesalittleextraworktogetintouchwithAndreaBoland.TheMainestaterepresentativea
A、Italy.B、France.C、Switzerland.D、Spain.B细节题。由Franceiswherewehavethemajorityofsites可知,PSCamping公司在法国拥有最多的露营地,所以选B。
A、Atarailwaystation.B、Atanairport.C、Onanairplane.D、Atabusstop.B推理题。四个选项都是有关地点的,由此可以推测对话考查的是地点。对话中男士说飞往上海的国内航班219次由
随机试题
TwooldgentlemenlivedinaquietstreetinParis.Theywerefriendsandneighbors,andtheyoftenwentforawalktogetherin
A.葡萄球菌B.大肠埃希菌C.铜绿假单胞菌D.变形杆菌E.溶血性链球菌原发性腹膜炎的病原菌是
肺的宣发,主要向上、向外、升宣、发散的物质是
中央人民政府对特别行政区的权力包括()。
ABC会计师事务所的C注册会计师负责对Z公司20×9年度财务报表进行审计。在审计银行存款时,C注册会计师遇到下列事项,请代为做出正确的专业判断。Z公司某银行账户的银行对账单余额为785000元,在审查z公司编制的该账户银行存款余额调节表时,C注册会计师
生产仓储、消费仓储、流通仓储一般都以库存的形式存在。
1903年,美国心理学家_____出版了《教育心理学》,这是西方第一本以“教育心理学”命名的专著。【】
__________是17世纪意大利巴洛克风格中最著名的艺术家。
买卖合同不属于()。
《至尊法案》
最新回复
(
0
)