劳务企业要依法与（）签订劳动合同。

冶金冷轧工程生产能力为()的，界定为大型工程。

A.30～50万t 

B.50～60万t 

C.<80万t 

D.≥80万t 

在数据库应用中，一般一个SQL语句可产生或处理一组记录，而数据库主语言语句一般一次只能处理一个记录，其协调可通过使用下列的( )技术实现。

A．指针(POINTE

B．游标(CURSO

C．数组(DIMENSIO

D．栈(STAC

材料一 居中国食品工业百强之首的中粮集团有限公司，坚持科技创新为先导，以市场需求为导向，开展科技攻关、产品创新、科技创新等一系列活动，建立了玉米、稻米、小麦、葡萄等多条完整的产业链，引领了中国数亿农民的生产；坚持食品安全生产底线，为中国数亿消防者提供了健康营养的产品和生活服务。中粮集团的发展壮大为我国实体经济的发展提供了先例。     

运用经济生活知识，谈谈中粮集团的成功经营对我国实体经济发展的启示。（6分）   

Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (51) to how they can be best accommodate such changes. Growing bodies need movement and (52) , but not just in ways that emphasize competition. Because they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (53) that comes from achieving success and knowing that their accomplishments are admired by others. However, the typical teenage lifestyle is already filled with so much competition that it would be (54) to plan activities in which there are more winners than losers, for example, publishing newsletters with many student-written book reviews, (55) student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide multiple opportunities for leadership, as well as for practice in successful (56) dynamics. Making friends is extremely important to teenagers, and many shy students need the (57) of some kind of organization with a supportive adult (58) visible in the background.

In these activities, it is important to remember that the young teens have (59) attention spans. A variety of activities should be organized (60) participants can remain active as long as they want and then go on to something else without feeling guilty and without letting the other participants down.

56().

A.groups 

B.individual 

C.personnel 

D.corporation