1 . （2017·江苏）Determining where we are ____________ our surroundings remains an essential skill for our survival.

A．in contrast to	B．in defense of
C．in face of	D．in relation to

2 . （2017·北京）Many people who live along the coast make a living _______ fishing industry.

A．at	B．in
C．on	D．by

3 . These comments came ______________   specific questions often asked by local newsmen.

A．in memory of	B．in response to
C．in touch with	D．in possession of

4 . Most people work because it’s unavoidable. ________, there are some people who actually enjoy work.

A．As a result	B．In addition
C．By contrast	D．In conclusion

5 . (2015·江苏) Many of the things we now benefit from would not be around ___________ Thomas Edison.

A．thanks to	B．regardless of
C．aside from	D．but for

6 . He is always helping people without expecting anything ________.

A．in common

B．in turn

C．in danger

D．in return