問3 社員が一生けんめいに働いてくれたので、こううんにも会社の経営はきどうに乗った。
A.賢明
B.賢命
C. 懸命
D.懸明
参考答案:C
化学镀铜时最常用的还原剂是()。
A、次磷酸盐
B、甲醛
C、肼
D、乙醇
What did he do with his old car().
A.He maintained the old car.
B.He planned to replace the old car.
C.He discarded the old car.
D.He had his old car fixed.