首页
登录
学历类
Animals have different ways of protectin
Animals have different ways of protectin
免费题库
2022-08-02
88
问题
Animals have different ways of protecting themselves against wintertime weather. Some animals grow heavy coats of fur or feathers, while others dig into the ground to find a warm wintertime home. Some animals spend the winter in a deep sleep because by going to sleep they avoid the time of the year when food is scarce and the temperatures are low. Their sleep is known as
There is much about hibernation that puzzles scientists. For example, they are wondering how hibernation came into being. Some scientists have explored the possibility that animals release a chemical that starts them hibernating. One thing that scientists are certain about is that animals hibernate only when it is cold. Hibernation is a seasonal practice. Some animals that fall into a winter time sleep are not true hibernators because they spend only a part of the cold season asleep. Bears, for example, can easily be awakened from their winter nap. They are not true hibernators. Sometimes it is difficult to determine whether a particular animal is a true hibernator. For example, some mice hibernate, but others do not. The same is true of bats. Some of them hibernate. Others do not.Some scientists believe that hibernation is started by ____.( )A. a lack of foodB. calcium depositsC. a body chemicalD. a lack of water
选项
A. a lack of food
B. calcium deposits
C. a body chemical
D. a lack of water
答案
C
解析
由第二段最后一句Some scientists...animals release a chemical that starts them hibernating.可知,C项符合题意,故选C。
转载请注明原文地址:https://tihaiku.com/xueli/2673412.html
本试题收录于:
英语专升本题库专升本成考分类
英语专升本
专升本成考
相关试题推荐
InBritain,peoplehavedifferentattitu
InBritain,peoplehavedifferentattitu
InBritain,peoplehavedifferentattitu
InBritain,peoplehavedifferentattitu
InBritain,peoplehavedifferentattitu
InBritain,peoplehavedifferentattitu
InBritain,peoplehavedifferentattitu
Animalshavedifferentwaysofprotectin
Animalshavedifferentwaysofprotectin
Cananimalsbemadetoworkforus?Some
随机试题
【B1】[br]【B10】A、getoutofthecarB、runafterthetwomenC、catchthethieves
[originaltext]M:Whatdayisittoday,Tina?W:It’sThursday.Why?M:It’sMo
Isdrinkingalcoholduringpregnancydangerous?Yes,drinkingalcoholduri
[originaltext]M:MissEllenChan?Goodtoseeyou.Thankyouforcomingintot
在目标成本管理体系下,进行成本管理的关键是()。A.产品与流程设计 B.跨职能
组织实施医师资格考出的行政部门是()A.省级以上人民政府人力资源与社会保障部
肺心病的发病机制中,导致肺动脉高压的最主要因素是()A.肺内压增高 B.
A. B. C. D.
下列关于镇控制性详细规划编制审批的叙述中,不正确的是( )。A.所有镇的控制性
下列关于我国“八二宪法”的表述,错误的是()A.我国采用修正案方式对宪法进行修
最新回复
(
0
)