动摩擦
You want to create a pie-style chart using the Chart Wizard. What must be you do to determine the fields available for use in this chart? （） ["Select the block that contains the data to appear in the pie chart. ","Select the table that contains the data to appear in the pie chart. ","Select the view that contains the data to appear in the pie chart. ","Nothing. The wizard will automatically create the pie chart based on the highlighted data."]
在（）条件下天然气中某些气体组分能和液态水形成水化物 ["一定压力","一定温度","一定的压力和温度"]
一个国家的经济发展包括以下几方面的变化（） ["人民生活水平提高和收入分配状况改善","国民生产总值的增长速度不低于10%","文教卫生事业取得显著进步","自然环境和生态系统失衡的状况有所改善","产业结构发生变化"]
Click the Exhibit button and examine the data in the EMPLOYEES table. Which three subqueries work? （） ["SELECT * FROM employees where salary > (SELECT MIN(salary) FROM employees GROUP BY department_id);","SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department_id);","SELECT distinct department_id FROM employees WHERE salary > ANY (SELECT AVG(salary) FROM employees GROUP BY department_id);","SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY department_id);","SELECT last_name FROM employees WHERE salary > ANY (SELECT MAX(salary) FROM employees GROUP BY department_id);","SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY AVG(SALARY))"]
90年代小说创作存在的主要问题是什么？
