下列哪项不是牙合支托的作用
A．支持作用
B．传递牙合力
C．直接固位作用
D．恢复抬关系和防止食物嵌塞
E．间接固位作用
参考答案：C
抗真菌药物治疗中要特别注意（）
A.使用敏感抗真菌药物
B.预防性使用
C.肝、肾功能检查
D.联合用药
E.在使用抗生素初期即可使用
In a certain class consisting of 36 students, some boys and some girls, exactly of the boys and exactly of the girls walk to school. What is the greatest possible number of students in this class who walk to school ？（）
A.9
B.10
C.11
D.12
E.13
of the boys and exactly 
of the girls walk to school. What is the greatest possible number of students in this class who walk to school ？（）