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【单选题】
数据库系统设计过程中数据库维护阶段的工作包括日常维护、定期维护和 ______ 几个方面。A.
故障维护
B.
设备维护
C.
库结构修改
D.
应用程序修改
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【简答题】II. Match the words or expressions in Column A with the Chinese meanings in Column B. 将A栏的单词或短语与B栏的中文释义连接起来。 Column A Column B 1. refuse a. 相信 2. be bad for b.令人厌恶的 3. believe c. 向某人要某物 4. be full of ...
【简答题】补全单词。 1. You should not eat so much j________ food, it's bad for your health. 2. There are many d___________ betwe en the twins, e. g. one is tall, the other is short. 3. You can get a lot of informat...
【单选题】Smoking __________ your h ealth. [ ]
A.
is good for
B.
is bad for
C.
is good to
D.
is bad to
【简答题】If you always h________ ( 怀有 ) a bad emotion, you’ll meet trouble in your health.
【简答题】单句改错 1. Believe it or not,the manager is hard to his workers. ________ 2. Smoking is bad to your health. ________ 3. You should be strict with your studies.________ 4. Eating more vegetables is good t...
【单选题】等温等压下,在一管式反应器中进行气相反应 2A + B == 2R ,物料在反应器内总体积流量 __________ 进口处总体积流量
A.
小于
B.
大于
C.
等于
D.
不能确定
【简答题】根据句意及首字母提示填入适当的单词。 1. Eating too many c_____ is bad for your health. 2. Don't w_____ water, the Southwest part in China is lack of water. 3. Thousands of people's d_____ in Haiti made all the world sa...
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