一、根据首字母或汉语提示完成单词
1. The grassland is very v____ for animals to live on. ()
2. The l____ in the park are very beautiful in autumn. ()
3. We should s____ water because it is a precious resource. ()
4. The color of the sunset is very r____. ()
5. The mountains in the distance are c____ with snow. ()
6. The river is the b____ of the two villages. ()

1. valuable 2. leaves 3. save 4. red 5. covered 6. boundary

二、用所给单词的适当形式填空
1. The mountain is much ____ than that one.
2. There are many ____ kinds of plants in the forest.
3. The sunset is one of the most ____ sights I have ever seen.
4. The park is a good place for people ____.
5. We should protect the environment and make it ____.

1. higher 2. different 3. beautiful 4. to relax 5. better

() 1.The national park is a great place ____ nature.
A.to enjoy
B.enjoy
C.enjoying
D.enjoyed

A

() 2.The sunset in my hometown is ____ than that in the city.
A.more beautiful
B.beautiful
C.most beautiful
D.the most beautiful

A

() 3.The plants in the rainforest are very ____ to the environment.
A.use
B.used
C.useful
D.useless

C