Experts say the first three years of a child’s life are the most intensive period of l
America ’s National Institutes of Health says evidence suggests there are important periods of speech and language development in children.The ability to learn a language will be more difficult if these periods pass without early contact with a language.
The first signs of communication happen during the first few days of life, when a baby learns that crying will bring food and attention.Research shows that most children recognize the general sounds of their native language by six months of age.By that time, a baby usually begins to make speech-like sounds.These sounds become a kind of nonsense speech over time.
By the end of their first year, most children are able to say a few simple words, although they may not understand the meaning of the words.By 18 months of age, most children can say between eight and ten words.By two years of age, most children are able to make simple statements.By ages three, four and five, the number of words a child can understand quickly increases.It is at these ages that children begin to understand the rules of language.
41.Language and communication skills are best developed in an environment full of().
A、babies’ loud crying
B、sounds and sights
C、nonsense speech
D、food and attention
42.According to the second paragraph, evidence shows that for children there exist().
A、natural abilities to learn a language
B、difficult periods to learn a language
C、critical abilities to develop their language
D、critical periods to develop their language
43.A baby begins to learn what communication is when().
A、it realizes crying will bring food and attention
B、it first realizes nonsense speech over time
C、it first makes some recognizable sounds
D、it makes the sounds and speech repeatedly
44.When do babies usually begin to make speech-like sounds？
A、By the age of two.
B、By the age of one.
C、By the age of 6 months.
D、By the age of three.
45.According to the passage, which of the following language skills do children develop last？
A、Grammar.
B、Sounds.
C、Words.
D、Statements.
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