肩关节周围炎的最常见病因是()
A.结核
B.风湿
C.损伤
D.细菌感染
E.类风湿
参考答案:C
The traffic rule says young children under the age of four and ______ less than 40 pounds must be in a child safety seat.
A.being weighed
B.to weigh
C.weighing
D.weighed
Mr Hu is interesting _____ everyone likes his lessons. [ ]
A. such; that
B. so; that
C. too; to
D. very; that