英语新闻】[资讯][运动][娱乐][生活][文教][经济][科技][时事]【英语考试】[专四][专八][大三][大四][大六][MBA][自考][公共][高考][中考][职称][初中][高中][笔译][金融][阅读]
留学英语】[GRE][GMAT][LSAT][PETS][TOEIC][出国考试]【TEM英语】[TEM介绍][TEM4指导][TEM4试题][TEM8指导][TEM8试题]
CET英语】[动态][技巧][真题][模拟题][语法][听力][口语][写作][翻译][阅读][词汇]【BEC英语】[动态][介绍][指导][试题][口语][初级][中级][高级][经验]
TOEFL托福】[动态][介绍][指导][真题][模拟题][技巧][词汇]【IELTS雅思】[技巧][模拟题][真题][听力][写作][阅读][词汇][口语][介绍][动态]
英语作文】[小学][初中][高中][大学][四级][六级][考研][指导][中考][高考]【英语故事】[双语][民间][情感][童话][寓言][幽默][传记]
英语笑话】[双语][司法][愚人][成人][儿童][动物][宗教][女性]【娱乐英语】[星座][时尚][英语][影视][幽默][名言][赠言][历史][脑筋][轻松][万花筒][异域][文库]
行业英语】[财会][商贸][外贸][运输][医务][传媒][电信][工程][公务员][法律][政治][技术][其他]【英语学习】[新概念][小笨霖][大学][洋话][疯狂][美国][专题][杂谈][方法][品牌]
生活英语】[旅游][日常][电话][购物][酒店][实用][市民]【工作英语】[简历][求职][商务][办公][会议]【奥运英语】[奥运][体育][术语][人物][运动][奥运知识][体坛][资讯]
法律英语】[涉外][案例][术语][法律]【英语口语】[名人][总统][情景][教程][听力技巧][口语技巧][音标][英语口语][俚语]
英文阅读】[心灵][散文][诗词][原版][文学][短文][少儿][初级][高级][文摘][科普][小说][技巧][双语]【写作翻译】[书信][发表][欣赏][贴士][点滴][写作][写作技巧][日常写作]
词汇语法】[专业词汇][特色词汇][马虎词汇][英语语法][语法技巧][词汇技巧][词海拾贝][分类词汇][新闻热词][日积月累]
您现在的位置: 3edu教育网 >> 英语角 >> 英语考试 >> 职称英语 >> 正文    3edu教育网,教育第三方,完全免费,天天更新!

职称英语卫生类A级完形填空预测练习题五

分类:职称英语   更新:2016/8/7   来源:本站原创

    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(鳍状肢),used for steering and stability, are traces of feet.

    __________ . (51)of this.Its Immense strength is __________ . (52)into the great body of the big whales,and in fact most of a whale’s body is one gigantic muscle.The blue whale’s pulling strength has been estimated __________ . (53)400 horsepower.One specimen was reported to have towed(拖)a whaling vessel for seven hours at the __________. (54) of eight knot (节).

    An angry whale will __________ . (55) A famous example of this was the fate of Whaler Essex, __________ . (56)was sunk off the coast of South America early in the last century.More recently, steel ships have __________ . (57)their plates buckled(使弯曲)in the same way.Sperm whales(抹香鲸)were known to seize the old-time whaleboats in their jaws and crush Them.

    The greatest __________ . (58)of whales is their diving ability.The sperm whale dives to the Bottom for his __________ . (59)food,the octopus(章鱼).In that search he is known to go as far Down as 3,200 feet, where the. __________ . (60)is 1,400 pounds,to a square inch.Doing so he

    Will __________ . (61)underwater long as one hour.Two special skills are involved in this storing up enough __________. (62)(all whales are air—breathed)-and tolerating the great change in pressure.Just how he does it scientists have not __________ . (63).It is believed that some of the oxygen is stored in a special __________ . (64)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 __________ . (65)adjusts the internal pressure of his body.But since you can’t bring a live whale

[1] [2] [3] 下一页

| 设为首页 | 加入收藏 | 联系我们 | 版权申明 | 隐私策略 | 关于我们 | 手机3edu | 返回顶部 |