In what does interferon differ from antibiotics？
A. Interferon has serious side effects,whereas antibiotics do not.
B. Interferon is available in large supply, whereas antibiotics are not.
C. Antibiotics are very effective,while interferon is not.
D. Antibiotics kill germs by attacking them directly, while interferon does not.
People suffering from_____prefer to stay shut in their homes and become panic-stricken in
A. acrophobia
B. agoraphobia
C. claustrophobia
D. xenophobia
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