【C2】A．additionB．replyC．turnD．return

【23】A．additionB．briefC．generalD．fact

答案解析

【C17】A．ringB．replyC．answerD．respond

答案解析

【C10】A．In totalB．In additionC．In turnD．In general

答案解析

【C17】A．in returnB．in turnC．on the turnD．at every turn

答案解析

【C3】A．payB．catchC．turnD．focus

答案解析

Given that tables T1 and T2 contain the following rows: Table T1:C1 C25 4 5 2 5 5Table T2: C1 C2 5 1 5 2 5 3Which of the following queries will return only those rows that exist in T1 and not in T2?()

答案解析

Given that tables T1 and T2 contain the following rows:Table T1: C1 C2 1 4 1 3 1 2Table T2: C1 C2 1 1 1 2 1 3Which of the following queries will return only those rows that exist in both T1 and T2?()

答案解析