哪项检查对急性菌痢确诊最有帮助()
A.粪便培养
B.荧光抗体检查
C.乙状结肠镜或纤维结肠镜检查及活组织检查
D.骨髓培养
E.钡灌肠X线检查
参考答案:A
_____, but the idea of having to work more than ten hours a day without weekends discouraged me.[ ]
A. Wanting to be a teacher
B. Although I wanted to be a teacher
C. I had wanted to be a teacher
D. As I want to be a teacher
在地面/空中起动发动机时,起动手柄提到慢车位后,必须在多少秒钟内看到EGT上升()?
A、30秒/10秒
B、20秒/20秒
C、10秒/30秒
D、30秒/30秒