8.　　　　　 In 1768, the Royal Navy a___________(任命) James Cook as the commander of the Endeavour to take members of the Royal Society on an expedition to Tahiti.

7. 　In 1778, Banks was elected p____________( 主席) of the Royal Society, a position he held for 42 years.

6.　　　 The p___________(主要的)goal was to study the passing of the planet Venus across the sun.

5.　　　 Before the 18^th century, botany was merely a b____________ of medicine.

4.　　　 I changed into my sports shoes so that I could walk more ____________.

3.　　　 Attempts had been made by others to classify plant species into different g________.

2.　　　　　 One ___________ is equal to 0.001 metres.

1.　　　　　 A____________(胃口) is the desire for food.

12. She is afraid of touching any h__________ animal, such as dogs, cats and so on.

Unit 4　　 Book　 3　

11. His father is about 40, black-haired and of m__________ height.