Unit 1
Key words:
    Realistic;
conventional; typical;
evident; adopt; possess;
superb;   perspective;
technique; coincidence;
ridiculous;
controversial; attempt;
predict;     specific;
delicate;     allergic;
aggressive;    bunch;
preference;   appeal;
fragile;   reputation;
civilization;   visual;
fragrant;
contemporary；perma
nent
1.It is not ____ to
  expect   average
  people with low
 incomes to spend so
much money on life
insurance.
   A. specific
    B. realistic
   C.     fantastic ...