The employer dictated the letter to his secretary, who wrote it down in shorthand.
A. delivered
B. handed
C. read
D. Revealed
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How are the events of Dorothea Dix's life presented in the passage？
A. In random order.
B. In chronological order.
C. In alphabetical order.
D. From greatest to least significance.
The normal hamsters had a daily cycle of 24 hour, and the mutants were on a 20- hour cycle.
A. Right
B. Wrong
C. Not mentioned
This passage is about ______.
A. infants' education
B. negative effect of infant school
C. childhood
D. advantages of infants' early care
The argument against Bowlby's conclusion shows that ______.
A. there is on negative delayed effect on infants who go to school before three
B. there is long-term effect on infants who go to school before three
C. children who are sent to school before three are subject to mental illness
D. children have problems with day care
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