45.For convenience's sake,most couples in America

45.for convenience's sake,most couples in america
have a ( ) bank account instead of separate accounts.
a.twin
b.handy
c.dual
d.joint
满分：2 分
46.space exploration has been made ( )with the
development of modern science and technology.
a.it possible
b.it was possible
c.that possible
d.possible
满分：2 分
47.as some of the rules concerning foreign trade run
contrary to the principles of the wto,the *** decided to （ ）them as soon
as possible.
a.abolish
b.accomplish
c.distinguish
d.establish
满分：2 分
48.if your monthly salary exceeds 10,000,you have to
（ ） 20% tax from the sum you receive.
a.designate
b.repay
c.subtract
d.snatch
满分：2 分
49.the school strives to treat pupils as individuals
and to help each one to achieve their full （ ）.
a.curiosity
b.genius
c.advantage
d.potential
满分：2 分
50.the changes our city （ ）in the past few years are
little short of miraculous.
a.catalogued
b.underwent
c.inherited
d.furnished
满分：2 分