单项选择题 Hopefully scientific progress in AIDS research will continue at______pace, but nevertheless a current attitude of______prevailing among some biomedical researchers is rather inappropriate.

单项选择题 In the 1650's the pacifist Quakers became progressively______with Cromwell's regime, including the compromises with the old order and what had become______army that seemed interested solely in its own well-being and future.

单项选择题 MISDEMEANOR: CRIME::