问题
单项选择题
口外矫形力下颌可接受的力值是()
A.800~1100g
B.1200~1700g
C.500~1000g
D.600~700g
E.340~450g
答案
参考答案:A
口外矫形力下颌可接受的力值是()
A.800~1100g
B.1200~1700g
C.500~1000g
D.600~700g
E.340~450g
参考答案:A
Passage One
Britain began to see the popularity of Modem Movement buildings in the ______.
A.1920s
B.1930s
C.1940s
D.1950s