He was ________ as an expert in this field.
举一反三
- He was ________ as an expert in this field. A: egarded B: worked C: egard D: egarding
- Why not （） to Professor Smith for advice？ He is an expert in this field. A: go B: yourgoing C: togo D: yougo
- You may ask Professor Wang for advice and he is an expert in the _____ of medicine. A: Bank B: Field C: Wealth D: health
- If F is a vector field, then divF is a vector field.
- An inductor stores energy in a magnetic field _________ an electric field.