瘿的现代涵义是
A．甲状腺肿瘤
B．结喉两侧肿块
C．颈部肿块
D．颈前部肿块
E．专指甲状腺肿大或肿块类疾病
参考答案：E
Chinese government has built new houses to ____ the homeless people in the flooded area.
A．save
B．seat
C．house
D．praise
粉底乳为了防止颜料沉降和油、水两相分离，可利用保护胶体，如（）、高碳醇等。
A.膨润土
B.钛白粉
C.氧化锌
D.白油
