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【单选题】
SQL语句中删除表的命令是
A.
DELETE TABLE
B.
DELETE DBF
C.
DROP TABLE
D.
DROP DBF
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举一反三
【判断题】油锅起火时应用水扑灭。()
A.
正确
B.
错误
【单选题】混凝土或抹灰基层涂刷乳液型涂料时,含水率不得大于()。
A.
10%
B.
15%
C.
20%
【单选题】混凝土或抹灰基层涂刷乳液型涂料时,含水率不得大于()
A.
10%
B.
15%
C.
20%
D.
25%
【单选题】时序电路输出状态的改变( )。 A 仅与该时刻输入信号的状态有关 B 仅与时序电路的原状态有关 C 与以上两者皆有关
A.
B.
C.
C
【单选题】混凝土或抹灰基层涂刷乳液型涂料时,含水率不得大于()
A.
3%
B.
5%
C.
8%
D.
10%
【单选题】混凝土或抹灰基层涂刷乳液型涂料时,含水率不得大于
A.
8%
B.
10%
C.
12%
D.
15%
【简答题】用所给词的适当形式填空。 1. I said I _________ (buy) my pop from someone else. 2. Li Ming said he _________ (visit) Shijiazhuang next week. 3. I was a little _________ (confuse) while Li Ming paid two yuan for tw...
【简答题】I did very badly at school. My head thought I was 1 and when I was 14 he said, “You’re never going to be 2 but a failure.” After five years of 3 jobs, I fell in love with a very nice middle-clas...
【简答题】句型转换。 1. 'I don't work in the factory,' said Tom. (改为间接引语) Tom said _____ _____ _____ work in the factory. 2. Sally said to me,'We are going to fly to Beijing.' (改为间接引语) Sally _____ me _____ _____ goi...
【简答题】将下列句子改为间接引语。 1. Jane said :'I am a student. ' Jane said _____  _____ _____ a student. 2. Mary said to me, 'I saw your classmate yesterday. ' Mary _____ me that _____ _____ _____ my classmate the day b...
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