The word "colonies" (Para. 4) refers to ______.
A. tiny globules
B. watery regions
C. bacteria communities
D. little compartments
查看答案
The best title for the passage is ______.
A Seriously Depressed Person
B. Depressive Illness
C. Depression And Suicide
D. A Tragic Condition
According to the passage, an overly active child ______.
A. is not depressed
B. rejects depressed people
C. is likely to be depressed
D. may be depressed
People will live forever in the future.
A. Right
B. Wrong
C. Not mentioned
People will have a tough time in old age.
A. Right
B. Wrong
C. Not mentioned
微信支付 
支付宝支付