5. The emperors build the wall to protect China.(就畫線部分提問) 

   the emperors build the wall?

4. I think Tom is the youngest student.(改為否定句)

3. Russia is larger than the US,and the US is larger than China.(改為同義句) 

  Russia is of the three.

2. China has the largest population in the world.(就畫線部分提問)

    has the largest population in the world?

IV.按要求完成句子

1. The Nile is 6 ,671 kilometers long.(就畫線部分提問)

   is the Nile?

() 5. China is than any country in the world.

   A. many long   B. much older

   C. much larger   D. lot older

() 4. —Which city has population,China,India or England?

    —England,of course.

   A. the most   B. the least

   C. the largest   D. the smallest

() 3. ，he stopped writing when he retired.

   A. As far as I see

   B. As long as I see

   C. As long as I know

   D. I know

() 2. Feel when you are speaking in public.

   A. free   B. anxious

   C. nervous   D. worried

Ⅲ.單頂選擇

() 1. Hainan province attracts many every year.

   A. tour   B. tourists

   C. traveler   D. tourist