单项选择题

It's clearly stated that you ______ copy the site without written permission from the webmaster.

A．should not
B．ought not
C．should
D．ought to
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单项选择题
What kinds of things have activists done to protect research animals（）

A．Set them free.
B．Damage the labs.
C．Sent threatening letters.
D．All of the above.
单项选择题
The purpose for the activists to be against researchers is （）

A．to see the animals
B．to protect animal's rights
C．to stop scientific research
D．to fight with police
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