[单项选择]（）is not a linear structure
A. Graph
B. Queue
C. Stack
D. 1-dimension array

[单项选择]（）is not a linear structure.
A. Graph
B. Queue
C. Stack
D. 1-dimension array

[单项选择]Linear gingival erythema与下列哪一疾病有关
A. Down综合征
B. 掌跖角化-牙周破坏综合征
C. 白细胞功能异常
D. 艾滋病
E. 坏死性溃疡性牙周炎

[单项选择]MODIFY STRUCTURE命令的功能是
A. 修改库文件的结构
B. 修改库文件的类型
C. 删除库文件
D. 增加新的文件

[单项选择]Which of the following market structure characterized that a large number of competitors produce (slightly) differentiated products with low barriers to entry（）
A. Perfect competition.
B. Monopolistic competition.
C. Oligopoly.

[单项选择]An organization structure that involves various organizational types at various levels is called a （）.
A. strong matrix
B. balanced organization
C. composite
D. balanced matrix

[单项选择]In which of the following organizational structures，do project managers have high or total authority ？（）
A. Functional organizatio
B. Balanced matrix organizatio
C. Matrix organizatio
D. Projectized organizatio

[单项选择]Given the following directory structure: bigProject |--source | |--Utils.java | |--classes |-- And the following command line invocation: javac -d classes source/Utils.java Assume the current directory is bigProject,what is the result? （）
A. If the compile is successful, Utils.class is added to the source directory.
B. The compiler returns an invalid flag error.
C. If the compile is successful, Utils.class is added to the classes directory.
D. If the compile is successful, Utils.class is added to the bigProject directory.

[单项选择]The geographical structure of Australia is generally divided into threetopographical regions:（）
A. the Eastern Plateau,the Central highlands and the Western Lowlands
B. the Central Plateau,the Western Highlands and the Eastern Lowlands
C. the Western Plateau,the Eastern highlands and the Central Eastern Lowlands
D. the Central Plateau,the Western highlands and the Eastern Lowlands

[简答题] Draw a labeled constituent structure tree diagram for each of the following sentences: 1) The student likes the new linguistics professor. 2) John suggested Mary take the linguistics class.

[单项选择]Chomsky published his book Syntactic Structure in______.
A. 1957
B. 1943
C. 1956
D. 1962

[单项选择]To provide structure and organization, managers should do all the following except ______.
A. group similar processes and collect similar information into records
B. provide a language and a framework for doing work
C. arrange the various activities into different classes
D. organize employees and computer systems into units

[单项选择]The work breakdown structure is an excellent tool for objective control and evaluation. Which of the following is generally not validated through the WBS
A. Time, schedule, and cos
B. Management coordination and organizational structurin
C. Risk and impact of decision—makin
D. Quality of the wor

[单项选择] Examine the structure of the EMPLOYEES, DEPARTMENTS, and TAX tables. EMPLOYEES NOT NULL, Primary EMPLOYEE_ID NUMBER Key VARCHAR2 EMP_NAME (30) VARCHAR2 JOB_ID (20) SALARY NUMBER References MGR_ID NUMBER EMPLOYEE_ID column DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of the DEPARTMENTS table DEPARTMENTS NOT NULL, DEPARTMENT_ID NUMBER Primary Key VARCHAR2 DEPARTMENT_NAME |30| References MGR_ID column MGR_ID NUMBER of the EMPLOYEES table TAX MIN_SALARY NUMBER MAX_SALARY NUMBER TAX_PERCENT NUMBER For which situation would you use a nonequijoin query?（）
A. To find the tax percentage for each of the employees.
B. To list the name, job id, and manager name for all the employees.
C. To find the name, salary, and department name of employees who are not working with Smith.
D. To find the number of employees working for the Administrative department and earning less then 4000.
E. To display name, salary, manager ID, and department name of all the employees, even if the employees do not have a department ID assigned.

[单项选择] Examine the structure of the EMPLOYEES and DEPARTMENTS tables: EMPLOYEES EMPLOYEE_ID NUMBER DEPARTMENT_ID NUMBER MANAGER_ID NUMBER LAST_NAME VARCHAR2(25) DEPARTMENTS DEPARTMENT_ID NUMBER MANAGER_ID NUMBER DEPARTMENT_NAME VARCHAR2(35) LOCATION_ID NUMBER You want to create a report displaying employee last names, department names, and locations. Which query should you use to create an equi-join?（）
A. SELECT last_name, department_name, location_id FROM employees , department ;
B. SELECT employees.last_name, departments.department_name, departments.location_id FROM employees e, departments D WHERE e.department_id = d.department_id;
C. SELECT e.last_name, d.department_name, d.location_id FROM employees e, departments D WHERE manager_id = manager_id;
D. SELECT e.last_name, d.department_name, d.location_id FROM employees e, departments D WHERE e.department_id = d.department_id;