11. To open a bank account here you should show them an i_____________ such as a passport or a driver’s license.

10.　 Can you c_________the cost if we stay in Europe for a couple of days?

9.　　　 He a_____________(积累)a great deal of knowledge about plants and agriculture.

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.