中期妊娠孕妇腹部不见增大，胎动消失，妇科检查宫颈口未开，可能为
A．不完全流产B．稽留流产C．难免流产D．先兆流产E．完全流产
参考答案：E
_____ in the last examination, she was more confident of another success in the coming one. [ ]
A. To succeed
B. To have succeeded
C. Having succeeded
D. succeeding
增大转化炉的鼓风量，可使炉膛负压增大。
