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外研2003课标版《Listening and vocabulary》公开课PPT课件优质课下载
4. Make you unhappy ， anxious， or annoyed.
5. A person who does a job without being paid for it.
rare
ranger
monitor
upsetting
volunteer
Check the preview work
Complete the meanings with the words in the box.
bird insect mammal reptile
1. A(n) _____ is a small animal with six legs. Some have wings.
2. A(n) ________ is an animal which drinks its mother’s milk when it is young.
insect
mammal
3. A(n) ______ has cold blood and lay eggs.
reptile
bird insect mammal reptile
4. A(n) _____ has warm blood and lay eggs.
bird
Bird
Insect
Mammal
Reptile
eagle
butterfly