高三选修9 Unit 4 Exploring plants-Reading[教案]

3. People didn’t begin to explore plants on a large scale until the 18th and 19th centuries.
It was ____  ____ the 18th and 19th centuries that people began to explore plants on a large scale.
4. The parts in red are used as______ in the sentences.
A. the subject   B. the object   C. the predicative
1.He collected seeds of trees.
2. French Catholic missionaries were beginning to set themselves up in China.
3. The European classes took great interest in collecting plants.
4. Large numbers of seeds failed to grow after long sea voyages.
5. … often we do not realise that many of them come from countries far away.
Focus: To help students infer the meanings according to the context.
      To help students observe the feature of the object and prepare for the grammar learning

Step 4. Post-reading
Help Liang Qiming find out who made the greatest contribution in plant exploration in the 18th and 19th centuries.
1. Discussing in groups
2. Giving opinions.

Step 5. Assignments
1.Try to add a short paragraph as the end of the passage.
2. Get some information about plant exploration in the 20th and 21st centuries on the Internet.

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