The Greatest Mystery of Whales
The whale is a warm-blooded,air-breathing animal,giving birth to its young alive,sucking them--and,like all mammals,originated on land.There are many front flippers,used for steering and stability, are traces of feet.______of this.Its Immense strength is______into the great body of the big whales,and in fact most of a whales body is one gigantic muscle.The blue whales pulling strength has been estimated ______400 horsepower.One specimen was reported to have toweda whaling vessel for seven hours at the______ of eight knot . An angry whale will ______ A famous example of this was the fate of Whaler Essex, ______ was sunk off the coast of South America early in the last century.
More recently, steel ships have ______their plates buckledin the same way. Sperm whaleswere known to seize the old-time whaleboats in their jaws and crush Them. The greatest ______ of whales is their diving ability.The sperm whale dives to the Bottom for his______ food,the octopus.In that search he is known to go as far Down as 3,200 feet, where the.______ is 1,400 pounds,to a square inch.Doing so he Will ______ underwater long as one hour.Two special skills are involved in this storing up enough______ and tolerating the great change in pressure.Just how he does it scientists have not ______.It is believed that some of the oxygen is stored in a special______ of blood vessels,rather than just held in the lungs.And it is believed that a special kind of oil in his head is some sort of compensating mechanism that ______ adjusts the internal pressure of his body.But since you cant bring a live whale into the laboratory for study, no one knows just how these things work.
1 A aspects B signs C ways D reasons
2 A worked B divided C built D moved
3 A at B in C of D with
4 A number B degree C distance D rate
5 A abandon B attack C leave D board
6 A as B who C which D that
7 A had B operated C Seen D caught
8 A interest B job C danger D mystery
9 A favorite B fast C new D sufficient
10 A depth B pressure C level D size
11 A set B become C remain D rest
12 A heat B energy C food D oxygen
13 A witnessed B determined C applied D calculated
14 A system B place C arrangement D equipment
15 A mentally B artificially C manually D automatically
词汇语法忌走歪门邪道(二)
怎样使句子多样化?
有效提高你写作水平的15个经典英语句型
形容词大战!
英文写作中的动物比喻chicken指“懦夫”
写出优美句子的几个基本原则与标准
英文写作实战的指点
分享写作技巧:如何让你的文章更有亮点
英语写作常见错误与分析:不一致、词性误用
写好作文的20字诀:发挥应充分、合理、正确
英语议论文语言特点
写作中覆盖面最广的基本句式(二)
英语作文重点句型:助你快速作出漂亮句子
Learn the Etiquette and finer points of staring!
趣味短语:鸡蛋怎么能“怂恿”
only的几种特殊的用法
你为什么写不出好的英语作文
写作中覆盖面最广的基本句式(一)
貌似动词的边缘介词Marginal Prepositions
英语议论文的写作的方法
写作中覆盖面最广的基本句式(三)
如何提高英文写作:精雕细作炮制英语好文章
英语中如何让表示强调?
词汇语法忌走歪门邪道!
出彩的英文写作的绝招
写作几点招式(4)
怎样才能写出好的句子:文章句子好坏有标准
常用转承语
More than用法好多种
常用的比喻词组
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |