He blamed his poor performance_____jet lag
Mrs. Weinstein bravely and persistently used every skill and power she had to her attacker to simply take her car and not her life.
一定范围内的人口中具有智力和体力劳动能力的人的总和被称为( )
下列叙述中正确的是()
若2|4a-6b+c,则以下一定成立的是() 。
若a为整数,n 为任意正自然数,以下关于奇、偶数的说法错误的是()。
It was ________of you not to disturb us while we were sleeping
v摩尔理想气体压强为p、体积为V,则其温度T为(摩尔气体常数为R)()
在热力学中,准静态过程就是()
一定量理想气体,在等温膨胀过程中()