Question

Our teachers are really ______. They often work in their office far into the night

1. A.
   open-minded
2. B.
   hard-working
3. C.
   self-confident
4. D.
   warm-hearted

Answer 1

B
考查词义辨析。open-minded心胸开阔的，hard-working 勤劳的，self-confident 自信的，warm-hearted 热心肠的，句意：我们真得很勤劳。他经常在办公室工作到深夜。所以选B。