270. The main task of the government is to reduce the level of inflation (通货膨胀). The word "task" means ______.
-We had _______really smoggy December this year.-I can’t remember _____ winter when air was polluted so severely.
To succeed as an artist, one must ________talent and discipline.
The ______ of blood made the girl feel sick and she began to cry.
—Jack, you seem in high spirits.—__________ We won the match 4-0.
There is a peaceful and calm ________in the country, quite different from that of a big city.