【单选题】In the 1950s in the USA, most families had just one phone at home, and wireless phones _______ yet.
【判断题】菜单与宴席设计是员工为消费者服务的重要依据。
【单选题】What is the cultural background of women schooling in the 1950s in the US? All are true except ___________.
A.
To awaken students' self-consciousness and guide them in seeking their true selves.
B.
American society in the 1950s was geared toward the family.
C.
The dominant ideologies of the middle class for women are to become good wives and mothers.
D.
The related curriculum is to make them more attractive in the marriage market.
【单选题】在土壤中是根据( )对土壤胶体进行分类的
【判断题】血脂包括甘油三酯.磷脂.胆固醇及其酯.游离脂酸和载脂蛋白等。 ( )