赞题库-背景图

单项选择题

Some words in the basic word stock are said to be stable because they_____.

A．are complex words.
B．are technical words
C．refer to the commonest things in life.
D．denote the most important concepts.

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热门试题

单项选择题How does the virus of a rabid animal infect man or other animals

A．The virus is infected into their bodies.
B．The bite of the infected animals passes the virus presenting the saliva to others.
C．The virus has established in their central nervous systems for several years.
D．The virus infect them by some infectious diseases.

单项选择题Rabies is_____.

A．a disease which is infectious, caused by virus of dogs and wild flesh-eating animals
B．a disease caused by evil spirits
C．a disease spread by man and all warm-blooded animals
D．a disease causes animals to be vicious and violent