A rabid animal is most dangerous during the early stage of the disease because______.
A: it becomes restless, nervous and violent
B: its bite is fatal
C: the potential danger of the sick animal may be ignored
D: it will attack people at any time
A: it becomes restless, nervous and violent
B: its bite is fatal
C: the potential danger of the sick animal may be ignored
D: it will attack people at any time
举一反三
- The tiger, a once ____ animal to humans, is now ____ of disappearing on the earth. A: dangerous, danger B: dangerous, in danger C: in danger, in danger D: danger, in danger
- Which of the following is the most important element of Koch’s germ theory of disease? The animal shows disease symptoms when ( ) A: the animal has been in contact with a sick animal. B: the animal has a lowered resistance. C: a microorganism is observed in the animal. D: a microorganism is inoculated into the animal.
- Most of the students think a lion is much ____(dangerous) than a bear andit is the ____ (dangerous) animal in the world.
- 中国大学MOOC: Quarantine as a noun may refer to a period of time when an animal or a person that has or may have a disease is kept away from others in order to prevent the disease from spreading.
- The muscles of a fossilized animal can sometimes be reconstructed because______. A: they were preserved with the rest of the animal B: they were lodged inside the animal's skull C: they were hardened parts of the animal's body D: they were attached to the animal's skeleton