下载掌阅APP，畅读海量书库
立即打开
I. Fill in the blanks. Choose the correct words from lessons 1− 4 to complete the sentences.
1） Some scientists do f _ _ _ _ w _ _ _. They work outside.
2） An animal's h _ _ _ legs are at the back.
3） A room where some scientists work is called a l _ _.
4） Snakes have v _ _ _ _ in their teeth.
5） A c _ _ _ _ is many things together.
II. Answer the following questions.
1） What are some creatures that you like?
2） What are some features that animals use to survive?
3） Would you like to do field work or work in a lab? Why
4） What are some animals that are usually the prey of other animals?
5） Where can we find embryos
III. Read each sentence carefully. Write Yes or No.
____ 1） Plants inject venom into their prey.
____ 2） A clump of things is more than three.
____ 3） People have hind legs.
____ 4） Different animals have different features.
____ 5） An embryo is very large.
IV. Draw a picture of a creature that has hind legs. What is it?
This is a ___________. It has hind legs.