单项选择题

Which sentence best expresses the central point of the passage（）

A. Sentence 1.
B. Sentence 2.
C. Sentence 3.
D. Sentence 4.

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单项选择题

Which of the following is not conceit but a cry for reassurance（）

A. An urgent need for contact with adult.
B. A child’s efforts to be independent.
C. A child’s unsureness.
D. A child’s making statements about his own cleverness.

单项选择题

In which case mentioned in the passage would an automatic language translator be helpful（）

A．A medical emergency．
B．Police action．
C．Traveling．
D．All of the above．