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【简答题】
服饰类的汉字数量非常丰富,但部首不一。至少写出5个巾旁的与服饰义相关的汉字。
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举一反三
【单选题】Rapid travel has a ____ greater influence on the human body than we imagine.
A.
near
B.
far
C.
more
D.
better
【单选题】CREATE TABLE dept (deptno NUMBER(2), dname VARCNAR2(14), 1oc VARCNAR2 (13)); ROLLBACK; DESCRIBE DEPT What is true about the set? ()
A.
The DESCRIBE DEPT statement displays the structure of the DEPT table.
B.
The ROLLBACK statement frees the storage space occupies by the DEPT table.
C.
The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.
D.
The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
【判断题】在检索图样时依据的是“图样代号”
A.
正确
B.
错误
【单选题】On Monday, you dropped the DEPT table from your schema and then you re-created the DEPT table in your schema. On Wednesday, you have a requirement to restore the DEPT table from the recycle bin. Which...
A.
You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table with the name DEPT already exists in your schema.
B.
You can restore the DEPT table by using the Oracle Flashback Drop feature, provided you use the RENAME TO clause.
C.
You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.
D.
You can restore the DEPT table by using the Oracle Flashback Drop feature and a system-generated name will be assigned to the restored table.
【单选题】在数据库中存在表dept,在程序中存在类com.hzu.Dept,以下HQL语句正确的是______。
A.
String hql = "from dept as model";
B.
String hql = "from com.hzu.dept ";
C.
String hql = "from Dept as model";
D.
String hql = "from dept ";
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A.
个人性
B.
独创性
C.
有意义
D.
有用的
【单选题】听力原文: The Vietnamese Foreign Minister Nguyan Manh Cam has called for rapid progress towards a trade agreement with the United States. Mr. Cam met with secretary of state Warren Christopher during the ...
A.
Rapid progress had been made towards a trade agreement.
B.
The U. S. has decided to establish full diplomatic relations with Vietnam in July.
C.
Vietnam’s Foreign Ministers has agreed to pay his first official visit to Washington.
D.
Mr. Clinton is confident that the trade agreement will come quickly.
【简答题】某企业有一投资项目,拟投资总额500 000元,建设期为零,预计当年投产每年可获得净利60 000元,投资项目寿命期为5年,采用直线法折旧,该企业资金成本为10%,已知(P/A,10%,5) =3.7908,计算结果保留小数点后两位 要求: (1)计算年现金净流量; (2)计算投资回收期; (3)计算年投资报酬率; (4)计算该投资项目的净现值; (5)计算该投资项目的现值指数; (6)根据计算判...
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