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【简答题】
将下列命题改写成“若p，则q”的形式，并判断命题的真假： （1）6是12和18的公约数； （2）当a＞-1时，方程ax 2 +2x-1=0有两个不等； （3）已知x、y为非零自然数，当y-x=2时，y=4，x=2．
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【简答题】ABO血型的分型原则是什么?
【简答题】election pillar gross surgery reconstructionprinciple sway fulfill rigid optimistI felt disgusted and wondered how I could ever have been so __________.
【单选题】My friend felt disgusted and wondered how I could ever have been so______.
A.
gas
B.
gross
C.
grass
D.
great
【简答题】I felt disgusted and wondered how I could ever have been so __________.
【单选题】对于较贵重物品、需要实施严格管理的重要货物应采取( )方法进行库存控制。
A.
定量订货库存控制
B.
定期订货库存控制
C.
需求驱动精益供应库存控制
D.
准时生产制库存控制
【简答题】完形填空 Dannii Minogue, the Australian singer and actress, is a vegan(纯素者). She doesn't eat any 1 , fish or dairy products. 'When I was thir I began to find meat too fatty. I felt very 2 when I ate ...
【单选题】I felt disgusted and wondered how I could ever have been so ________ .
A.
excited
B.
rigid
C.
gross
D.
pure
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