A long time ago I wrote a quasi-learned disquisition on the correct plural for the octopus. There were at least 3 possibilities derived from Greek and Latin, all arguable but none so sensible or normal-sounding as ‘octopuses‘. The other 2 areoctopiandoctopodes. If you want the bother wit...
动词equip与主语mammals构成动宾关系,时态为一般现在时。此处用被动语态,构成be+done结构。主语为复数。故填are equipped。10.考查形容词比较级。句意:它们有更大的肺,每次呼吸都能更充分地交换空气,血液中携带的氧气比我们多,所以它们可以屏住呼吸足够长的时间,与鱼类一起睡觉。根据空后的“more”推测,此处表示“...
练习18 海洋哺乳动物的呼吸和睡眠方式(云南师范大学高三适应性月考)Many people know that marine mammals, like whales and dolphins, breathe air as we do._1_, many peopledon't know that they have developed some interesting sleeping _2_(habit) to adjust to their regular trips up to thesurface ...
Because they are mammals and very social creatures, an eyeball-to-eyeball encounter is something that will stay with you for a very long time! You can read more about the “Tongan Tribe” and the incredible in-water encounters possible with them on my website in the Complete Guide to the...
In this respect, the Ocean is arguably most important in the functioning of the Earth System, because Earth is a blue planet—70% of its surface is covered by the Ocean, which contains between 50% and 80% of all life on Earth, provides 50% of the oxygen we breathe and absorbs 25% ...
Manatees usually swim about 8 km/h, but they can swim up to 24 km/h when they feel a need for speed.Like whales and dolphins, manatees breathe air. They go to the surface for air every three to five minutes.However, they can hold their breath underwater for up to 20 minutes. This...
traits with mammals that live on land. Even so, their bodies are not the same as land animals. Marine mammals are able to spend long periods of time in the water. Some cannot live on land at all, some come out on land once in a while, and others get all their food from the ...
结合空白处前一句“Many people know that marine mammals,like whales and dolphins,breathe air as we do.”很多人知道海洋哺乳动物,像鲸鱼和海豚,像我们一样呼吸空气。空白处后一句“ many people don't know that ...”很多人们不知道...,由此可知,空白处表示转折关系。故填However。2. 考查名词。habit作为...
Marine mammals evolved under unique constraints imposed by their aquatic environment. Their resulting adaptations and specialized life histories—such as blood chemistry that allows greater oxygen retention, but an incessant need to breathe air–both enable and limit access to resources. Throughout my ed...
Many marine mammals vocalize underwater without releasing air by capturing airflow from the lungs into collapsible/expandable internal reservoirs. These reservoirs recycle air back to the lungs, allowing multiple or long vocalizations without needing to resurface to breathe. The various tracheal, ...