女性,35岁,风湿性心脏病患者,疑为亚急性感染性心内膜炎,检测心脏瓣膜有无赘生物的最好方法是()
A.X线检查
B.超声心动图
C.心电图
D.CT扫描
E.血培养
参考答案:B
建设项目在工程施工中发生重大事故,应由项目所在地省级人民政府负责调查,调查组由人民政府安全生产监督管理部门、()、工会组织等派人参加。
A.公安机关
B.监察机关
C.人民法院
D.工程质量监督部门
E.投资主管部门
The scientist has made quite a few discoveries, ______ of great importance to the whole world.
A.which I think they are
B.which I think are
C.I think which are
D.that I think they are