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．
situational
9
．
The critical period for language acquisition refers to the short period of _____________years old in one’s life, during which the human brain is most ready to acquire a particular language.
（ ）
A
．
1-2
B
．
2-12
C
．
1-12
D
．
13-18
10
．
In a sense, humans can be said to be biologically programmed to acquire at least one language. What is meant by this ______________view of language acquisition is that humans are equipped with the neural prerequisites for language and language use.
（ ）
A
．
behaviorist
B
．
nativist
C
．
mentalist
D
．
empiricist
Ⅱ
. Directions: Fill in the blank in each of the following statements with one word, the first letter of which is already given as a clue. Note that you are to fill in ONE word only, and you are not allowed to change the letter given.(1%×10=10%)
11.A scientific study of language is based on the s________________ investigation of language data.
12.The limited range of sounds which are meaningful in human linguistic communication and are of interest to linguistic studies are called the p________________ medium of language.
13.phrase structure rules can generate an infinite number of sentences with infinite length, due to their r________________ properties.
14.A f_________________ clause is a clause that takes a subject and a main verb, and at the same time stands structurally alone.
15.In terms of truth condition, if X is true, Y is false, and if X is false, Y is true. The relationship between X and Y is i_________________
16.In Austin’ s early speech act theory, c________________ were statements that either state or describe, and were thus verifiable.
17.In the historical development of language, sound change is inevitable, such as sound loss, sound a________________ and sound movement.
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