Brian is gifted in writing music；he is very likely to be________Beethoven.
A. a B. an
C. the D. 不填
Paper produced every year is ________ the world's production of vehicles.
A. the three times weight of B. heavier three times than
C. as three times heavy as D. three times the weight of
Try to be independent, for your parents can't do ________ for you all your life.
A. something B. nothing
C. everything D. anything
Bach died in 1750，but it was not until the early 19th century ________his musical gift was fully recognized.
A. while B. though
C. that D. after
A man may usually be known by the books he reads ________by the friends he keeps.
A. rather than B. as well as
C. in place of D. as many as
The government________air quality in urban areas from levels one to five: excellent, fairly good, slightly polluted, poor and dangerous.
A. classifies B. arranges
C. distributes D. divides
