儿童关节损伤首先考虑骨骺损伤,因其关节韧带和关节囊的强度比骨骺大()。
A.1~2倍
B.2~3倍
C.2~4倍
D.2~5倍
E.2~6倍
参考答案:D
— Did your boss phone you again the next day?
— No, it was a fortnight ____ he gave me a second call. [ ]
A. that
B. when
C. before
D. since
制单原则中所说的“正确”是指各种单据必须符合有关国际惯例和进口国有关法令法规。