He______greater progress, if you had given her more chances.
A. might have achieved
B. might achieve
C. has achieved
D. achieved
设备安装完成后进行()的目的是为了综合检验以前各工序的施工质量,同时也能发现设备在设计、制造方面存在的缺陷,以便做最后的调整和修理。
A. 试生产
B. 检测
C. 调试
D. 试运转
【C5】
A. complexly
B. complicatedly
C. simply
D. singly
They don't know how able a poor youngster might have been______ he grown up under more favorable circumstances.
A. if
B. had
C. and
D. has