在workers中,worker这一部分可以称为()。
第1题:
若用如下的SQL语句创建一个worker表: CREATE TABLE worker(NO C(4)NOT NULL.NAME C(8) NOT NULL, SEX C(2),AGE N(2) ) 可以插入到worker表中的是
A.('20031006',NULL,'男',23)
B.('20031006','李林')
C.(NULL,'李林','男',23)
D.('20031006','李林','男,'23)
第2题:
若用如下的SQL语句建立一个worker表: CREATE TABLE worker(NOC(4)NOT NULL,NAMEC(8)NOT NULL,SEXC(2),AGEN(2)) 可以插入到worker表中的是_________。
A.('20031006',NULL,'男',23)
B.(NULL,NULL,'女',23)
C.(NULL,'李林','男',23)
D.('20031006','李林','男',23)
第3题:
A.调用类Worker中定义的super()方法
B.调用类Person中定义的super()方法
C.调用类Person的构造函数
D.语法错误
第4题:
第5题:
第6题:
在jave中,类Worker是类Person的子类,Worker的构造方法中有一句”super()”,该语句()。
A.a)调用类Worker中定义的super()方法
B.b)调用类Person中定义的super()方法
C.c)调用类Person的构造函数
D.d)句法错误
第7题:
Which statement can be inferred from this article?
A.If a worker is doing very boring work, he will ask for more money surely.
B.Sometimes money doesn"t work so as to improve the productivity.
C.Workers prefer freedom when producing.
D.Diversity of jobs can improve the work efficiency.
第8题:
Social work helps people to have a() life. In many cases this requires the social worker to help people to overcome the negatives in their lives. Social work includes from helping a() to get into college to counseling a person with illness. In most cases the role of a social worker is to help people to() the skills. Most of the time a social worker is going to be dealing() people who are having a difficult time. Often poverty plays a big part in the need for the services of social worker. Social workers often interview people to get an understanding of the problem. From there the social worker will help them to come up with a plan to() their situation.
1.A. good
B. better
C. rich
2.A. student
B. doctor
C. lawyer
3.A. take
B. think
C. develop
4.A. with
B. on
C. in
5.A. change
B. meet
C. improve
第9题:
第10题: