Which of the following statements is proposed by researchers？
A. Later-boms do not compete for attention.
B. First-borns tend to become rebels.
C. Later-boms are prone to diseases.
D. First-borns achieve more than younger ones.
查看答案
At what age does a child probably begin to learn about sets and numbers？
A. Six months.
B. Eighteen months.
C. Fifteen months.
D. Nine months.
What is implied by "the younger ones are surrounded by more children's language on average
A. Younger children need parental rather than siblings' attention.
B. Younger children need siblings' rather than parental attention.
C. Younger children feel uncomfortable with more siblings.
D. Younger children have less chance to talk with their parents.
【C1】
A. ascended
B. assaulted
C. erased
D. endangered
Which can be inferred from the passage？
A. The unintelligent child is always incurious to the outer world and fears to try.
B. The intelligent child must be more aggressive than unintelligent ones.
C. The differences of intelligence are due to the bad education.
D. The intelligence is result of late education.
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