选择题:(1).(单选题)Dick flew to New York because ___.( )(本题2

题目内容:
(1).(单选题)
Dick flew to New York because ___.( )
(本题2.0分)
A. he went there for a holiday 
B. he had work there 
C. he went there for sightseeing(观光)
D. his home was there
参考答案:

在树型零件信息编码系统中,某位编码的具体含义取决于其前一位编码的取值。( T )"

在树型零件信息编码系统中,某位编码的具体含义取决于其前一位编码的取值。( T )"

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