纯羊毛纱线织造的华达呢织物(150g/m2;幅宽180cm)( )
A.5111.1100
B.5111.1900
C.5112.1100
D.5112.1900
参考答案:C
患者女,右侧后牙咀嚼时疼痛,有伸长感,1周以来疼痛加重。检查时见右侧上、下后牙多个充填体。
应进行检查中,哪一项最可能出现异常()。
A.X线片检查
B.温度测验
C.叩诊
D.松动度
E.牙周袋探诊
I find _______ necessary to take some warm and dry clothes with us during the walk.
A.it
B.which
C.that
D.What