【判断题】It is irrational either to defend or oppose vivisection by appealing to the emotion of pity.()
【单选题】下列化合物发生亲电取代反应的活性由大到小的顺序是() a.吡咯 b.呋喃 c.吡啶 d.噻吩 e.苯
【单选题】The fact that 'there is no Danish Academy to defend against it' shows that the British culture.
A.
the Danes are quite tolerant of
B.
the Danes are too weak to fight against
C.
there is no need to pay attention to
D.
no academy has been established yet to defend against
【单选题】The hair samples used in experiment ______.
A.
came from INS which keeps the samples
B.
were offered by the emperor's descendents
C.
were offered by the emperor’s servants
D.
were taken directly from the emperor’s body
【单选题】对于光线分类判据【图片】,下列说法错误的是?
【单选题】When we got there after the accident,we were told that the injured to the nearest hospital.
【单选题】下列化合物中,发生亲电取代反应的活性由大到小的顺序是( )。
【单选题】下列化合物中,发生亲电取代反应的活性由大到小的顺序正确的是( )
【单选题】“Representative samples were drawn at random from the above-mentioned goods and were inspected with the results as follows”,最确切的翻译是( )。
D.
从上述货物中任意抽取代表性样品,经检验结果如下