Common Idioms in GMAT

Questions relating to idioms are quite common .. Some of the standard idioms tested are

1. exposing..... to
2. concerned ........... with or concerned
3.regarded as
4. as long ... as , as far ... as
5. such... as
6. prefer ... to
7. discourage some one 'from attending'...
8.at a rate of
9. to try to xxxx, try and ' and' dont go together
10. so... as to
11. repositories of text
12. afflicted with..
13. just as..... so
14. consider A B ( no consider to be A as B)