10.　 The room in which we took the photos was very _______ (满是灰尘的).

9.　　　 Great thinkers _______ _____ ______ (知道,意识到) the importance of new thoughts.

8.　　　 Every new thought or idea has to be _________ (联系) to what we already know.

7.　　　 Great thinkers also like to make their ideas _______　 (可见的).

6.　　　 Creative thinkers can find solutions that would ___________ (不然,否则) remain invisible.

5.　　　 Good solutions and new ideas are often the result of a change in _________ (观念,意识).

4.　　　 If we look only for the correct answer and _______ (排斥) ideas that do not provide a complete answer, we may ________ _______ (被困难).

3.　　　 Inventors often rephrase a problem to ________ ______(考虑) creative solutions.

2.　　　 The thinkers come from different cultures and have different b__________ (背景).

1.　　　 Throughout history, great thinkers have used their c____________ and imagination to change the world.