题干
The computer was used in teaching. As a result, not only__________, but students became more interested in the lessons.
A：saved was teachers’ energy
B：was teachers’ energy saved
C：teachers’ energy was saved
D：was saved teachers’ energy
答案(点此获取答案解析）
B
人向右匀速推动水平桌面上的长木板，木板露出桌面后，在木板翻离桌面以前，则