赞题库-背景图

单项选择题

Passage One Questions 26 to 28 are based on the passage you have just heard.

A．Around 2 million.
B．Around 30,000.
C．Around 20,000.
D．Around 10,000.

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热门试题

单项选择题How do babies recognize different sounds

A．By listening to the sounds.
B．By listening to their own babbling.
C．By repeating the sounds.
D．By uttering the sounds.

单项选择题Why do researchers expose newborns to filtered recordings in their study

A．Because listening to filtered sounds is like listening to a stereo next door.
B．Because filtered sounds resemble the sounds babies hear in the womb.
C．Because filtering removes the crisp, clear frequencies from the sounds.
D．Because filtering keeps such features of sounds as rhythm, melody, pitch, and intonation.