一 读单词,找出画线部分发音不同的一项
( )1. A. train B. play C. plate D. air
( )2. A. sky B. light C. city D. kite
( )3. A. coincide B. noise C. point D. enjoy
( )4. A. brave B. blood C. brand D. brush
( )5. A. create B. crowd C. ground D. cross

1.D 2.C 3.A 4.B 5.C

二 根据括号内所给汉语注释或首字母提示写出单词的正确形式(每空一词)
1. The old tree is covered with soft ______(苔藓).
2. The ______(红杉) tree is a very tall type of tree.
3. A ______(猎豹) can run at a very high speed.
4. The elephant is one of the ______(重) land animals.
5. The Pacific Ocean is the l______ ocean on the earth.

1. moss 2. redwood 3. cheetah 4. heaviest 5. largest

三 用所给单词的适当形式填空
1. The fifth orange is ______(big) of all. Give it to the young boy,please.
2. The sunset at the beach is ______(beautiful) scene I've ever seen.
3. Among all the students,Tom runs ______(fast).
4. The Sahara is ______(large) desert in the world.
5. The ant is one of ______(small) insects.
6. This is ______(short) pencil in the box.
7. Mount Qomolangma is ______(tall) mountain in the world.

1. the biggest 2. the most beautiful 3. the fastest 4. the largest 5. the smallest 6. the shortest 7. the tallest

四 完形填空
Dear Nature Lover,
You asked about the world's most amazing plants and animals. Let me tell you some really cool ones!
The blue whale is the 1 animal on the earth. It's super big! It can be 2 longer than a very long ship.
In the Amazon rainforest,there are so many different 3 of plants and animals. You can see pretty birds with bright 4 and small but interesting frogs there.
The golden poison frog is one of 5 animals. A little bit of its poison(毒) can 6 many people. But its bright colour makes other animals 7 .
For plants,the Rafflesia flower(大王花) is really special. It has the 8 flower in the world,and it smells 9 bad,just like rotten meat. This smell helps it 10 flies.
In the ocean,the jellyfish is very 11 . It can go back to its young form,just like getting "younger" again!
12 land,the polar bear in the Arctic is the largest land animal that eats meat. It has thick fur to keep 13 in the cold snow.
Don't miss the African savanna(热带草原). There plants have to live with 14 water,but the baobab tree there can store a lot of water in its big trunk. Its fruits are big and funny,and people even call them "monkey bread"!
Nature is full of 15 . Come and see these amazing things soon!
Yours,
Alex
( )1. A. smallest B. largest C. fastest D. slowest
( )2. A. still B. even C. also D. never
( )3. A. kinds B. sizes C. colours D. names
( )4. A. eggs B. arms C. feathers D. legs
( )5. A. the most beautiful B. the most dangerous C. the biggest D. the smallest
( )6. A. help B. save C. kill D. feed
( )7. A. make friends B. go close C. stay away D. run after
( )8. A. smallest B. largest C. prettiest D. ugliest
( )9. A. very B. little C. few D. much
( )10. A. see B. catch C. find D. bite
( )11. A. normal B. special C. boring D. common
( )12. A. In B. On C. Of D. At
( )13. A. cold B. cool C. warm D. hot
( )14. A. much B. many C. little D. few
( )15. A. stories B. hope C. joys D. surprises

1.B 2.B 3.A 4.C 5.B 6.C 7.C 8.B 9.A 10.B 11.B 12.B 13.C 14.C 15.D