1、the critical period for language acquisition 简答题 5分

2、Children's grammar develops gradually until it becomes exactly the adult's grammar. 判断题 5分

3、According to Stephen Krashen，（a ）refers to the gradual and subconscious development of ability in the first language by using it naturally in daily communicative situations. 填空题 5分

4、Apart from the genetic predisposition for language acquisition， language （） is necessary for successful language acquisition. 单选题 5分

5、In children's prelinguistic stage，the first recognizable sounds are described as （c ）, with velar consonants such as /k/ and high vowels such as /u/ usually present. 填空题 5分

6、At some point in the late part of the first year or the early part of the second year，the babbling stage gradually gives way to the earliest recognizable stage of language，often referred to as the （o ） stage. 填空题 5分

7、The utterances of children at early ( ) stage typically lack inflectional morphemes and most minor lexical categories. 单选题 5分

8、Formal （i ） occurs in classroom when attempts are made to raise learners' consciousness about the nature of target language rules in order to aid learning. 填空题 5分

9、According to Krashen，（a ） refers to the gradual and subconscious development of ability in the first language by using it naturally in daily communicative situations. 填空题 5分

10、Krashen's acquisition 简答题 5分

11、Mother tongue interference 简答题 5分

12、negative transfer 简答题 5分

13、Cultural （t ） refers to the fact that the details of the linguistic system must be learned anew by each speaker，and they are not simply biologically passed on from generation to generation. 填空题 5分

14、In learning English as a second language，many actual errors，such as“goed”and “ datas” are attributable to negative transfer. 判断题 5分

15、error analysis 简答题 5分

16、Fossilization 简答题 5分

17、The fossilization of the learner's interlanguage is believed to be a major source of incorrect forms resistant to further instruction. 判断题 5分

18、Discuss the optimum age for second language acquisition. 简答题 5分

19、（ ）motivation occurs when the learner desires to learn a second language as a primary means of communication in his or her own community. 单选题 5分

20、In second language acquisition，the process of adapting to the new culture of the L2 community is called （a ）. 填空题 5分

21、acculturation 简答题 5分

22、The rate and ultimate success in SLA only depend on learners' experience with optimal input and instruction.( ) 判断题 6分