【科普版】九年级上册【课本同步】

Topic 2 The population in developing countries is growing faster.

Topic 3 The world has changed for the better.

Unit 2 Saving the Earth【单词】

Topic 1 Pollution has caused too many problems.

Topic 2 All these problems are very serious.

Topic 3 What can we do at home to protect the environment?

Unit 3 English Around the World【单词】

Topic 1 English is widely spoken throughout the world.

Topic 2 Some things usually have different meanings in different cultures.

Topic 3 Could you give us some advice on how to learn English well?

Unit 4 Amazing Science【单词】

Topic 1 When was it invented?

Topic 2 I'm excited about the things that will be discovered in the future.

Topic 3 China is the third nation that sent a person into space.