单项选择题

What is the passage mainly about

A．Science teachers to ban testing harmful to animals.
B．Teachers' policy change in experiment on animals.
C．The new policies of banning harmful experiments to animals.
D．The importance of prohibiting harmful experiments on animals.

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单项选择题

It is suggested in the last paragraph that______.

A．the seriousness of animal abuse in the classroom is unknown
B．training teachers in animal care may contribute to reducing animal abuse
C．fewer animals have been used in experiments in recent years
D．many biology teachers are not trained in proper care of animal

单项选择题

According to the text, animal welfare groups have succeeded in______.

A．stopping all animal abuse in schools
B．establishing guidelines that ban classroom experiments harming animals
C．protecting animals from being experimented with in extracurricular projects
D．persuading two national science teachers associations to adopt an animal protection policy