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【单选题】
JDBC中,用于表示数据库连接的对象是A.
Connection
B.
PreparedStatement
C.
DriverManager
D.
Statement
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【简答题】听下面一段材料，回答第1-3题。 1. What was the main reason for the woman's trip to Egypt? A. To learn foreign civilization. B. To experience something different. C. To visit the cultural relics in Egypt. 2. How did...
【简答题】听下面的独白，并从每小题的三个选项中选出一个正确答案，对话或独白听两遍。 1. What was the main reason for people to have dogs in the past? A. To help them work. B. To make money. C. To keep them safe. 2. What do people thi nk of dogs now...
【简答题】离翼尖越远,气流下洗速度越_________。
【单选题】What was the main concern of industrialists before the marketing concept was widely accepted?
A.
The needs of the market.
B.
The efficiency of production
C.
The satisfaction of the user.
D.
The preferences of the dealer.
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