首页
登录
职称英语
[originaltext] Some desert animals can survive the very strong summer heat a
[originaltext] Some desert animals can survive the very strong summer heat a
游客
2023-08-25
47
管理
问题
Some desert animals can survive the very strong summer heat and dryness because they have very unusual characteristics. The camel, for example, can bear an increase in the temperature of its body and its blood of 9. In addition, it can drink an enormous amount of water at one time, then store sufficient water in its red blood cells and other parts of its body to supply its need for two weeks or more. The kangaroo rat, on the other hand, obtains all the water it needs from water that it produces during respiration. However, most animals need to maintain a fairly constant body temperature, and will die if it rises more than 5. Therefore, they need to find some way to avoid the strong sun rays. Nor can many animals either store or produce water in their bodies, as the camel and kangaroo can. So they must find ways to reduce water loss from their bodies to the lowest degree.
Because very few desert animals can survive the strong rays, the temperature, and the evaporation rate of a typical summer’s day, most of them are active during the night. Only after the sun has set does the desert come fully to life. The night is relatively cool, and the darkness provides protection, not only from the sun, but also from other animals and from the birds. So the coming of darkness is the signal for the large majority of animals and insects to continue their search for water and food. When morning comes, most of them seek shelter again.
Questions 16 to 18 are based on the passage you have just heard.
16. What does the speaker say about the camel?
17. According to the speaker, in what condition will most animals die?
18. According to the speaker, why are so many animals active during summer night?
选项
A、They couldn’t bear the coldness underground.
B、They can’t find food in the daytime.
C、They cannot find water in the desert during the daytime.
D、They cannot bear the rays and temperature during the daytime.
答案
D
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2955875.html
相关试题推荐
[originaltext]M:AndnowhereisourguestJaneThomastotellusabouttheMon
[originaltext]W:Whenyouwriteanovel,doyouknowwhereyou’regoing,Dr.Ja
[originaltext]W:Whenyouwriteanovel,doyouknowwhereyou’regoing,Dr.Ja
[originaltext]W:Whenyouwriteanovel,doyouknowwhereyou’regoing,Dr.Ja
[originaltext]M:Hello,here.You’relate.Let’stryfindingaplaceinthedin
[originaltext]W:Goodmorning,doctor.I’mMrs.Crook.Ilastvisitedyouabout
[originaltext]Self-esteemistherespectapersonhasforhimself,hisbeli
[originaltext]Self-esteemistherespectapersonhasforhimself,hisbeli
[originaltext]Self-esteemistherespectapersonhasforhimself,hisbeli
[originaltext]Todaywhenamanstepsontothemoon,orsomethingnewandim
随机试题
Fromthefirstparagraph,wegettheimpressionthatGeorgeMarsh[br]Whatist
AccordingtoascientificstudypublishedinApril,2007,birdshaveshownt
y=50+10x可能是下列()成本的数学表达式。A.制造费用 B.机器设备维修
下列哪项不是法定保健食品功能()A.调节免疫 B.促进消化 C.增高增智
慢性萎缩性胃炎的病理诊断依据最重要的是A.腺体部分或全部萎缩 B.胃黏膜有较大
最能反映血液中红细胞和血浆相对数量变化的指标是 A.血细胞比容B.血沉
在我国,作为银行的银行、政府的银行的是()。A.中国工商银行 B.中国人民银
下列选项中,责任中心判断一项成本是否可控的条件有( )。A.可预测性 B.可
(2010年真题)钢筋混凝土空心桥墩的壁厚宜为( )。 A.100~120m
24岁未婚妇女,减肥后月经稀发,继之闭经6个月,为了解卵巢功能,下述哪项检查最简
最新回复
(
0
)