备战2018年高考选择题每日一练（22）
年级： 学科：英语 类型： 来源：91题库
一、单选题（共10小题）
1、You won't find paper cutting difficult _____you keep practicing it.
A . even if
B . as long as
C . as if
D . ever since
2、____ the damage is done, it will take many years for the farmland to recover.
A . Until
B . Unless
C . Once
D . Although
3、It is generally considered unwise to give a child _____ he or she wants.
A . however
B . whatever
C . whichever
D . whenever
4、The number of smokers, _____ is reported, has dropped by 17 percent in just one year.
A . it
B . which
C . what
D . as
5、I truly believe ______beauty comes from within.
A . that
B . where
C . what
D . why
6、_____ Li Bai, a great Chinese poet, was born is known to the public, but some won't accept it.
A . That
B . Why
C . Where
D . How
7、_____we understand things has a lot to do with what we feel.
A . Where
B . How
C . Why
D . When
8、It might have saved me some trouble ______ the schedule.
A . did I know
B . have I known
C . do I know
D . had I known
9、The real reason why prices ____ , and still are, too high is complex, and no short discussion can satisfactorily explain this problem.
A . were
B . will be
C . have been
D . had been
10、— I wonder ___ Mary has kept her figure after all these years.
— By working out every day.
A . where
B . how
C . why
D . If