【判断题】Every integer is a rational number.
【单选题】Every necessary means____ to protect milu deer which____ very valuable to us. As a result, the number of milu deer is increasing. [ ]
【判断题】Every rational number is a real number.
【单选题】下述那种溶剂,全部为亲水性溶剂的是( )
B.
nBuOH 、 Et 2 O 、 EtOH
C.
nBuOH 、 MeOH 、 Me 2 CO 、 EtOH
【简答题】A.logical B.sensational C.emotional D.rational
【简答题】理性预期(rational expectations)