Painting from still images leads to a loss of sensitivity, which is _____ to an artist.
| A．absolute | B．urgent | C．especial | D．vital |
180. There is a _____ of understanding between them. Otherwise, they will be good friends.
| A．sufficiency | B．abundance | C．adequacy | D．Lack |
179. In China, the majority of men earn their living by manual ______.
| A．labour | B．task | C．job | D．Work |
178. There are four basic _____ of blood in the human body. What do you belong to, A, B, AB or O?
| A．kinds | B．sorts | C．types | D．Classes |
177. You should turn to Mrs. Green. She is the key figure in the company. The underlined part probably means _____.
| A．a person who has the key | B．a very important person |
| C．a new product__________ | D．a new policeman |
176. Three times the accused was brought to court for trail, he was sentenced half a year’s imprisonment by the _____.
| A．lawyer | B．official | C．officer | D．Judge |