1 . To make some of my landscape shots, I have traveled up to four hours away to shoot within a 10­minute time frame. _____

A．射出，放射

B．射击

C．拍摄

3 . Steve Jobs took the trouble ________ a calligraphy class, though none of ________ he learned in it seemed to have practical application in his life.

A．to attend……which	B．to attend…what
C．attending…what	D．attending…which

4 . It is essential ________ harmful habits ________ a teenager’s life.

A．to prevent; dominating	B．preventing; to dominate
C．to prevent; to dominate	D．preventing dominated

6 . DX Sports Watch has a voice control setting that enables you to stay hands-free, while its waterproof band is fully adjustable so that it is comfortable ______.

A．to be worn

B．to be wearing

C．to wear

D．to worn

8 . You are likely____________mistakes if you don’t take the job seriously.

A．to make

B．make

C．makes

D．making

9 . I will be sorry ______ this company, but I was offered an opportunity ______ in a field which I really enjoy.

A．for leaving: to have worked	B．to leave: to work
C．for having left; about working	D．to have left; for working

10 . Cindy is believed______many books. This is the reason why she performed so well in the knowledge contest.

A．to have read

B．to read

C．having read

D．reading