试述风湿热的预防。
参考答案:风湿热的预防:① 原发性预防:增强小儿体质,防止呼吸道感染,彻底治疗链球菌感染。② 继发性预防:每月肌注长效青霉素120万IU,至少5年。
You were driving carelessly and your speed was above the limit. You’re the one _______.
A.blamed
B.to be blamed for
C.to blame
D.blaming
要使燃料燃烧,必须把燃料加热到一定温度,这个温度称为燃料的着火温度,又称燃料的燃点.