The learned system acts only as a “monitor” to initiate the second language learner’s utterance and is responsible for fluency and intuitive judgement about the correctness. ( )
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Necessary grammar is automatically provided with enough comprehensible input. ( )
A. 对
B. 错
The Input Hypothesis relates to acquisition, not learning. ( )
A. 对
B. 错
一个数据库包含多个不同的数据库对象,______不是SQL Server 2008中的数据库对象。
A. 表
B. 视图
C. 查询
D. 存储过程
SQL server 2008数据库文件有三类,其中主数据文件的后缀为______。
A. .ndf
B. .ldf
C. .mdf
D. .idf