how dangerous venomous snakes are B. whether a snake can be harmed by its own venom C. how snakes produce venom in their body D. the harmful effect of snakes' poison glands(D)2. The underlined word "prey" means A. teeth B. chemicals C. dangers D. animals hunted()3. For the toxic...
那么可爱的蛇为什么有毒?|新概念英语与时俱进|【四册第20课 Snake poison】5-20--6_How Snakes Got Their VenomOBC奥斯卡双语读书会 立即播放 打开App,一起发弹幕看视频100+个相关视频 更多 41 0 49:15 App 真服了!毒蛇捕手怎么这么大胆!|新概念英语与时俱进|【四册第20课 Snake poison】The Hunt ...
根据文章第一段第三句中 Tony Kepler raises killer snakes for a living 可知,他养毒蛇,一点也不害怕,故选A。(3)C.考查及语境理解。A.produce 生产;B.taste 品尝;C.collect 收集;D.discover 发现。根据下文 He sends the venom to a ...,where they make it into something called anti-venin.可知,...
Snakes have evolved to produce and deliver some of the most toxic substances on earth. It stands to reason that they would need to develop some form of resistance or immunity to their own venom, especially so when the primary purpose of their venom is to incapacitate prey. It would be poin...
Most snake venom makes use of several of these compounds for a deadly combined effect. A few snakes squeeze the life out their prey in another way -- constriction. Once a snake has the animal firmly in the grip of its jaws, it loops its body in coils around the prey. When the animal...
In fact, rattlesnakes are considered the newest and most evolved snakes in the reptile family. The high-pitched rattle accentuates the snake’s petrifying hiss. Other than these complex mechanisms, rattlesnakes also coil their bodies and raise their head in the air to demonstrate resistance to...
Snakes are also very clean and 14 and they seldom trouble humans.Tony's job is very different from any other job I've heard of, but it is a really 15 one. Without venom collectors,many people would be in real danger and some would die.()1. A. family B. job C. hobby D. pay(...
Now Tony is 3 to make money from snakes. In order to 4the venom(毒液),he has to find rattlesnakes in the western part of the United States. He sends the venom to a 5where they make it into something called " antivenin."Antivenin is what they give people 6 they have been bitten(...
It is also revealed that dragons that are drugged with Deathgripper venom are immune to his commands. Solo Gliding: Before Toothless got an automatic tailfin, he often had to rely on gliding for his aerial maneuvers without Hiccup. In How to Train Your Dragon: The Hidden World, Toothless ...
In many ecosystems, smaller poisonous animals develop a bright coloration -- predators learn to steer clear of these colors, lest they get a mouthful of venom. Over time, other, non-poisonous species may develop the same coloration, cashing in on the nasty reputation of the poisonous species....