611.We should be careful in our studies.This is _______ everyone as carelessness causes mistakes.
A.because of
B.true of
C.up to
D.related to
612.The time he has devoted in the past years ______ the disable is now considered _____ of great value.
A.to help;being
B.to helping;to be
C.to help;to be
D.helping;being
611.答案是B;
be true of…适用于。
612.答案是B;
devote one’s time to doing sth.,而consider sth.to be of great value认为…很有价值。
613.The goal is to make higher education available to everyone who is willing and capable _________ his or her financial situation.
A.rather than
B.owing to
C.regardless of
D.in honor of
614.Christmas is a holiday usually celebrated on December 25th _____ the birth of Jesus Christ.
A.in charge of
B.in terms of
C.in favor of
D.in honor of
613.答案是C;
rather than 而不是；regardless of 不管，不顾。
614.答案是D;
in charge of负责，管理；in terms of 就…而言;in favor of 赞同，支持；in honor of 为了纪念。
615.They experimented ________ the new medicine ______ animals.
A.on;to
B.by;on
C.with;on
D.with;to
616.The visiting Prime Minister hoped for greater trust between the two nations,more trade,more cultural exchanges.______ a genuine peace.
A.In detail
B.In total
C.In common
D.In short
615.答案是C;
考查介词的用法。句意:他们用这种新药在动物身上做实验。Experiment on sb.with sth. 用…在某人身上做实验。
616.答案是D;
in detail 详细地；in total 总计；in common 共同的；in short 简而言之。
617.It is said that the price of that beach house,which you were looking forward to buying,has fallen _______ a further 200 dollars a square meter.
A.at
B.by
C.with
D.for
618.Although the car is _______,you need to drive it in a proper and careful way.
A.in good condition
B.in good use
C.in great need
D.in peace
617.答案是B;
表示增减幅度。
618.答案是A;
in good condition 处于良好状态；in great need 非常需要。
619.To save the drowning child,the boy plunged into the icy water without hesitation,_______ his own safety.
A.despite of
B.regardless of
C.unaware of
D.because of
620.____ me,I don't feel pressured to study English.Instead,I enjoy it.
A.As though
B.As for
C.As with
D.As if
619.答案是B;
考查介词短语在具体语境中的运用。Despite of尽管，虽然；regardless of不管，不顾；unaware of没有意识到。
620.答案是B;
as for sb./sth.或as to sth.就…而言，关于。