题目内容

If an animal's critical distance is penetrated, it will___________

A. begin to attack
B. try to hide
C. begin to jump
D. run away

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Hamer was a___________

A. psychiatrist
B. physiologist
C. chemist
D. biologist

Medical worders of an institution cannot freely provide their HIV-patients' information to those of other institutions.

A. Right
B. Wrong
C. Not mentioned

Worry about breaches in confidentiality of the HIV status has nothing to do with the culative effects on patients.

A. Right
B. Wrong
C. Not mentioned

Which of the following could best replace the word "band" in "We can think of it as a hidden band that contains the group'(in Paragraph 3)?

A. Strip of land.
B. Distance.
C. Society.
D. Community.

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