Unit 4 Exploring plants Period 1 Warming Up，Pre­reading & Reading

　　时间：45分钟

　　.介、副词填空

　　1. One of the collectors was Father Farges, who collected 37 seeds from a tree that had appealed________him.

　　2．An important group of collectors were French Catholic missionaries who, by the middle of the 18th century, were beginning to set themselves________in China.

　　3．The plants in our gardens look so familiar that often we do not realize that many of them actually come________countries far away.

　　4．Collecting “exotic” plants, as they are called, dates back________the earliest times.

　　5．However, it was not until the eighteenth and nineteenth centuries that the exploration of the botanical world began________a large scale.

　　6．Large numbers of seeds failed to grow after long sea voyages or trips across land________Asia and Europe.

　　7．________eight months at sea, they arrived safely in London.

　　8．Their expeditions resulted________huge plant collections, which were sent back to France.

　　9．He sent the seeds________to France in 1897 but only one seed grew.

　　10．However, European botanists were very excited with the knowledge that China had a vast variety________plants, so many plant collectors were sent on collecting trips to China.

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