These small birds are among the fastest animals on Earth. In fact, swifts can go two or three days without touching the ground !To get used to life in the sky, swifts use their speed and the saliva(唾液) in their mouths.Swifts can fly faster than 100 miles per hour. That's ...
They have wide, somewhat flat heads with lidless eyes and thin mouths that appear to be smiling. They both have three branched gills that protrude from either side of the head, and they retain their larval dorsal fin throughout their lives. In addition, their limbs are small and ...
根据第二段Parrotfish(鹦鹉鱼)blowsomethingfromtheirmouthswhentheyarereadytosleep.Thenabubble(气泡)willbeformedaroundthem.(鹦嘴鱼准备睡觉时,会从嘴里吹出一些东西。然后在它们周围形成一个气泡。)可知鹦鹉鱼睡觉时会从嘴里吹出气泡。故选D。(2)细节理解题。根据第三段Thentheygobacktosleepforanothertwoweeksbefore...
To keep their mouths clean, wipe away any excess drool or left over food particles. Lastly, to maintain healthy dental hygiene, brush your dog’s teeth every other day with dog-safe toothpaste, keeping their breath smelling fresh and decreasing the chances of gum disease in the future. ...
a实验做了五六次,但结果仍然不令人满意 The experiment has done 56 times, but the result was not still satisfying[translate] athey spent two mouths in the jungle ,surrviving on snall animals and fruit 他们在snall动物和果子上在密林花二张嘴, surrviving[translate]...
5. A. mouths B. feet C. heads D. eyes 6. A. if B. until C. while D. before 7. A. over B. on C. with D. from 8. A. apart B. together C. free D. small 9. A. taken off B. broken down C. thrown back D. cleared away 10. A. top B. cover C. fur D. blood ...
Made in the USA with the finest ingredients from around the world. Check Chewy Check Amazon Feeding 6-pound adult Apple Head Chihuahuas about 225 calories of food per day requires small breed specialty kibble because of their tiny mouths. It is important to not overfeed these pets, especiall...
They poop to clear themselves of useless things or bad things.The Venus flytrap (捕蝇草) is one example.This plant eats insects (昆虫) with its “mouth"-two big leaves. It can eat the soft parts of insects,but can't eat the insects' harder parts. So the flytrap opens its “mouth"...
Their large lips allow them to grab plants and pull them into their mouths where they rip them apart with large front teeth and grind them before swallowing. These voracious eaters can consume as much as 6,000 lbs of food each year. Their immense appetites can become a problem if they ...
Fish sleep with their eyes open. They seem to look ahead far into the sea while they rest. Sea otters sometimes sleep in beds of the plants that grow in the sea. This keeps them frommoving away. Parrotfish blow something from their mouths when they are ready to sleep. Then a bubble (...