【单选题】患儿,女,8个月,单纯羊乳喂养。为预防营养性巨幼红细胞性贫血的发生,建议其饮食中应增加叶酸,下列含叶酸较多的食物是()
【简答题】A.government B.agency C.authorities D.departments
【判断题】类是抽象的,对象是具体的,在java面向对象语言中,先定义类后创建对象。( )
【单选题】在Java语言及其他的面向对象的程序语言中,对象和类具有本质的区别,以下关于对象和类的说法错误是()。
A.
在现实生活中,汽车可以被认为是一个类,而一辆红色福特牌汽车可以被认为是汽车类的一个对象
【单选题】关于慢性硬化性肾小球肾炎的叙述,下列哪项是正确的
【单选题】What type of departments are linked to the production and sales of specific products?
D.
organizational departments
E.
entrepreneurial departments
【单选题】关于弥漫性系膜增生性肾小球肾炎的叙述,下列哪项是正确的?
【单选题】Click the Exhibit button and examine the data in the EMPLOYEES and DEPARTMENTS tables.You want to retrieve all employees, whether or not they have matching departments in the departments table. Which ...
A.
SELECT last_name, department_name FROM employees NATURAL JOIN departments;
B.
SELECT last_name, department_name FROM employees JOIN departments ;
C.
SELECT last_name, department_name FROM employees e JOIN departments d ON (e.department_id = d.department_id);
D.
SELECT last_name, department_name FROM employees e RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id);
E.
SELECT last_name, department_name FROM employees FULL JOIN departments ON (e.department_id = d.department_id);
F.
SELECT last_name, department_name FROM employees e LEFT OUTER JOIN departments d ON (e.department_id = d.department_id);
【简答题】跳转语句中的( )语句可以将程序控制直接转移到标号指定的语句。