在职攻硕英语考试

【单选题】somE oF thEm wErE wEll BEhAvED, ______ wErE insulting.
A．AnD thEy
B．But thEy
C．whilE othErs
D．As othErs

【单选题】Fingerprints from an unchangeable ____ despite changes in the individual’s appearance or age.
A．mark
B．sign
C．remark
D．signature

【单选题】People prefer paying large sums of money ______ their lifework destroyed by gangsters.
A．than have
B．to have
C．to having
D．than they have

【单选题】It has been said that most of the structural faults of technical reports result from the author's ______ with what he is writing that he neglects to worry enough about how and for whom he is writing.
A．so much concerned
B．too much concerned
C．being so concerned
D．being too concerned

【单选题】孩子连续弹奏钢琴30分钟，父母允许他看电视10分钟，这种强化属于()
A．定比间隔强化
B、定时间隔强化
C、不定比间隔强化
D、不定时间隔强化。