【简答题】We should ______ dirty banknotes from circulation. (revoke, cancel, withdraw, annul, rescind)
【单选题】One big problem with banknotes that hasn't been solved by now is that ______.
A.
there are few material to make banknotes
B.
paper money cause serious pollution
C.
it is hard to stop false banknotes
D.
banknotes can't last for a long time
【单选题】平面汇交力系的独立平衡方程数目为( )。
【单选题】李某,男,45岁,自感全身不适前来就诊。门诊护士巡视时发现他面色苍白,出冷汗,呼吸急促,主诉腹痛难忍。急诊医生处理后,李先生留住急诊观察室。在评估病人时,下述属于客观资料的是
【判断题】勒内·笛卡尔的自然哲学的唯一初始前提就是“我思故我在”。