第3版 CHECKING CORNER Part 1.1.①adj.本地的②n本地人2.①n.基地②以…为据点I.1.① gradual② gradually2.① fluently② fluent3.① frequent② frequently III. 1. official 2. spelling. 3. usage 4. actually IV. 1. It is very difficult to see the way because of the rain. 2. A young girl came up to me and asked for money. 3. At present she's working abroad. 4. You must. make good use of any chance to practise English. 5. He bought a lot of fruit such as apples. and peaches.