Show:
Unit 2
Unit 6
Unit 7
Unit 9
Misc.
100
acknowledge
accept as true
100
peak
top or height of
100
vital
extremely important or necessary
100
adapt
to adjust to different situations
100
nevertheless
although true
200
communicate
share information
200
conflict
disagreement
200
challenge
something difficult that requires effort to do
200
crucial
very important
200
retain
kept
300
domains
areas or fields
300
decade
10 years
300
accomplish
to succeed in doing something after trying hard
300
recover
to retrieve or gain back, find
300
official
approved by an authority
400
facilitate
help make happen
400
alternate
switch from on to another
400
zero in on
to pay special attention to
400
resist
stay away from
400
proficient
skillful
500
global
worldwide
500
decline
go down
500
sufficient
as much as needed
500
contagious
can be spread to other people
500
unprecedented
never happened before