骨折的专有体征是
A.疼痛
B.功能障碍
C.骨擦音
D.肿胀
E.淤斑
参考答案:C
In some countries, some people don’t even have fresh water or basic health care, reaching the target will be difficult , help from the international community.
A.where; despite
B.that ; though
C.where; although
D.which; despite
什么是化学爆炸?