2. ① Asia is four times as large as Europe.

② The new building is four times higher than the old one.

③ The hall is twice the width of our classroom.

④ The production now is three times what it was ten years ago.

3. ① does she?

② didn't you?

③ will you?

IV. 词汇辨析

① mark ② sign ③ symbol ④ signal

词汇练习部分

I.1. ancient 2. birthplace 3. agreement 4. landmarks 5. symbol 6. sculptures 7. range 8. situated 9. project 10. civilisation

II.1. will increase 2. compared 3. produced 4. representatives 5. belonging 6. governed 7. situated 8.opposition 9. terms 10. civilized

III. 1. ①Compare; with ②compared to/with ③compared; to ④compared to/with

　2. ①such as ②that is ③for example