乳牙外伤常见的是()
A.冠折
B.根折
C.冠根联合折断
D.牙齿移位
E.牙齿完全脱出
参考答案:D
()年,六届全国人大常委会通过并发布《土地管理法》,明确了全国地政和城乡地政统一管理的原则。
A.1985
B.1986
C.1987
D.1988
— You’d better not judge a person _____ his appearance.
—I know all the people dressed _____ rags are not beggars.
A.in; in
B.by; by
C.in; by
D.by; in