Animal sense

文章大意

讲座比较不同物种的感官系统，重点讲嗅觉：狗嗅觉比人强40倍，能分辨220种气味；蜜蜂用触角感知气味，蜂后通过脚监控蜂群；蝴蝶雌性靠气味择偶。还提到甲虫的听觉。

题目与答案

1. Smell

   - Dogs have a greater sense of smell than human beings and are able to tell.

   - Some animals can smell odours such as 31_____ recognised by the human nose.

   答案：carbon dioxide

   原文定位：Some animals can even smell odors that are undetectable by the human nose, such as carbon dioxide

   同义替换：「recognised」↔「undetectable」

2. - Bees, feeling, threatened, will use their 32_____ before they sting.

   答案：legs

   原文定位：When a bee feels threatened, it will use its legs to signal and warn others about the threat before it stings

3. - Queen bees, which can sting multi times, use their feet to keep 33_____ over the colony.

   答案：control

   原文定位：The queen bee is able to control the colony by monitoring its movement through her feet

4. - A female 34_____ decides whether or not to mate with a male according to the quality of his scent.

   答案：butterfly

   原文定位：One such example of this is the female butterfly, who will only mate with the male butterfly that produces the strongest pheromones

   同义替换：「decides whether or not to mate」↔「will only mate with」，「according to the quality of his scent」↔「produces the strongest pheromones」

5. Hearing

   - Sound through vibrations can be recognized by beetles without ears by using their 35_____ .

   答案：feet

   原文定位：Interestingly, beetles do not have ears, but instead use their feet to detect vibrations caused by sound

   同义替换：「recognized」↔「detect」，「without」↔「do not have」

6. - They can locate prey living in 36_____ by tracking the vibrations.

   答案：woodlands

   原文定位：they are able to detect the location and movement of their prey by monitoring vibrations in the woodlands

   同义替换：「tracking」↔「monitoring」

7. Sight

   - Snakes are able to search for food by detecing 37_____ from the mouths of their prey.

   答案：heat

   原文定位：Snakes are a particularly interesting case study as they do not see shapes and colors as humans do, but instead hunt their prey by detecting the heat radiating from their mouths

   同义替换：「search for food」↔「hunt their prey」，「from the mouths of their prey」↔「radiating from their mouths」

8. - They can tell the 38_____ of a mouse by detecting its heat.

   答案：body shape

   原文定位：From a distance, a snake is able to locate the heat radiating from a mouse, for example, and upon moving closer, will be able to determine its body shape

   同义替换：「can tell」↔「will be able to determine」，「detecting」↔「locate」

9. - After its prey is killed, a snake stores food in its 39_____ and hibernates.

   答案：stomach

   原文定位：Once a snake has killed and eaten its prey, it goes into a state of hibernation, whereby all of its energy is directed towards digesting the food stored in its stomach

10. - A snake that goes into a state of hibernation will not eat for a long period of time.

    - The 40_____ is calculated by snakes before hunting their prey.

    答案：distance

    原文定位：It not only uses heat to determine the location of its prey, but before it commits to hunt, it will also use the heat to calculate how much distance it has to travel in order to reach it

    同义替换：「before hunting their prey」↔「before it commits to hunt」