Examine the description of the EMPLOYEES table: EMP_ID NUMBER(4) NOT NULL LAST_NAME VARCHAR2(30) NOT NULL FIRST_NAME VARCHAR2(30) DEPT_ID NUMBER(2) Which statement produces the number of different departments that have employees with last name Smith?（）A、

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Examine the description of the EMPLOYEES table: EMP_ID NUMBER(4) NOT NULL LAST_NAME VARCHAR2(30) NOT NULL FIRST_NAME VARCHAR2(30) DEPT_ID NUMBER(2) Which statement produces the number of different departments that have employees with last name Smith?（）

A、SELECT COUNT(*) FROM employees WHERE last_name='Smith';
B、SELECT COUNT(dept_id) FROM employees WHERE last_name='Smith';
C、SELECT DISTINCT(COUNT(dept_id)) FROM employees WHERE last_name='Smith';
D、SELECT COUNT(DISTINCT dept_id) FROM employees WHERE last_name='Smith';
E、SELECT UNIQUE(dept_id) FROM employees WHERE last_name='Smith';

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第1题：

UiSelector的description()查找属性content－description为指定字符串的UI元素并返回UiSelector,要求字符串必须完全匹配。()

此题为判断题(对，错)。

正确答案：错

第2题：

Examine the description of the STUDENTS table:Which two aggregate functions are valid on the START_DATE column?()

A. SUM(start_date)

B. AVG(start_date)

C. COUNT(start_date)

D. AVG(start_date, end_date)

E. MIN(start_date)

F. MAXIMUM(start_date)

参考答案：C, E

第3题：

(ii) ‘job description’. (4 marks)

正确答案：
(ii) On the other hand, the job description is based on information gathered from a job analysis and defines the position and role
that has to be fulfilled. It is a statement of the component tasks, duties, objectives and standards. It describes the purpose
and relationships of the specific job together with the physical, social and economic factors which affect it. Fundamentally, it
describes the job to be done.

第4题：

_______

. A. conclusion B. description C. evaluation D. introduction

正确答案：A

第5题：

YouneedtodesignthestorageoftheapplicationtextsforUIelementstofulfilltherequirements.Whichtableandcolumndesignshouldyouuse?()

A.Languages(LanguageID,Name)Elements(ElementID,Description)ElementLanguages(ElementID,LanguageID,Text)

B.Languages(LanguageID,Name)Elements(ElementID,LanguageID,Description,Text)

C.Languages(LanguageID,Name)ElementTexts(LanguageID,Text)ElementDescriptions(ElementID,Description)

D.Languages(LanguageID,Name)Elements(ElementID,Description,Text)

参考答案：A

第6题：

Examine the description of the MARKS table:SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects.Examine this SELECT statement based on the MARKS table:What is the result of the SELECT statement?（）

A. The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.

B. The statement returns an error at the SELECT clause.

C. The statement returns an error at the WHERE clause.

D. The statement returns an error at the ORDER BY clause.

参考答案：C

第7题：

检查

A.expect

B.except

C.excuse

D.examine

正确答案：D

第8题：

统计描述statistical description(名词解释)

本题答案：是利用统计指标，统计图，统计表反映包括数据资料基本特点的统计方法，可是人们准确，全面的了解数据资料包含的信息，有利于在此基础上完成进一步的统计分析。

第9题：

面向服务系统构建过程中，（）用于实现Web服务的远程调用，（）用来将分散的、功能单一的Web服务组织成一个复杂的有机应用。

A.UDDI（Universal Description，Discovery and Integration） B.WSDL（Web Service Description Language)C.SOAP（Simple Object Access Protocol）D.BPEL（Business Process Execution Language） A.UDDI（Universal Description，Discovery and Integration）B.WSDL（Web Service Description Language） C.SOAP（Simple Object Access Protocol）D.BPEL（Business Process Execution Language）

正确答案：C,D

第10题：

The description about the murderer was pretty vague.

A:imprecise
B:concise
C:unpolished
D:elementary

答案：A

解析：

本句意思：对那个凶手的描述十分的模糊。imprecise的意思为“不准确的，有差池的”; concise的意思为“简洁的，简明的”; unpolished的意思为“未擦拭的，未经修饰的”; elementary的意思为“基础的”。vague的意思为“含糊的，模糊的”，可指话语的表述或事物轮廓的模糊，和 imprecise的意思接近。

Examine the description of the

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