感染性心内膜炎最常见的死亡原因是()
A.肾功能不全
B.细菌性动脉瘤破裂
C.心力衰竭
D.脾破裂
E.脑栓塞
参考答案:C
They urged that measures _______ immediately to protect the endangered animals.
A.should take
B.must be taken
C.would take
D.be taken
学生成绩的目的在于()
A.查漏补缺
B.反馈家长
C.评选先进
D.促进发展