Obesity drastically（）among the wealthy and the newly-born middle class.

单项选择题The doctor couldn’t explain the （）of the high temperature.

A.persistent
B.persistence
C.persist
D.persisted

单项选择题It has been believed that cowboys（）a simpler way of life and freedom without restraint.

A.weep for
B.blame for
C.strive for
D.stand for

单项选择题The doctor asked her assistants to keep her（）of the patient’s physicalcondition after surgery.

A.inform
B.informed
C.informing
D.to inform

单项选择题It doesn’t make any difference to me（）.

A.that you say
B.what you say
C.in that you say
D.for what you say

单项选择题Her project（）good and reasonable.

A.listens to
B.hears
C.sounds
D.on