【单选题】冰毒作为兴奋剂,又能产生致幻作用,但冰毒和迷幻蘑菇相比较,两者除了致幻作用相类似以外,最大的不同药性在于()
B.
吸食冰毒以后会造成强烈的躁狂或抑郁的情绪体验
C.
吸食冰毒过量的容易造成呼吸神经麻痹而导致死亡
【单选题】According to the author, languages whether civilized or not have ______.
A.
the same way to transfer ideas
B.
the potential for increasing sound patterns
C.
the potential for expanding vocabulary
D.
the same grammatical structures
【多选题】人工光照明几种基本成分,除主光外,还包括:
【多选题】室内排水通气管的安装应符合下列那些规定()。
A.
通气管应高出屋面300mm,但必须大于最大积雪厚度
B.
在经常有人停留的平屋顶上,通气管应高出屋面2m,并应根据防雷要求设置防雷装置
【单选题】辽宁古果的果枝化石被国际学术界认定是迄今发现的有确切证据的世界上最早的被子植物,其距今( )亿年。
【单选题】'We must not expect even civilized people not to have done these things.' in the last paragraph suggests that ______.
A.
those who have done any fighting and bullying cannot be considered civilized
B.
there is nothing wrong if civilized people do some fighting and bullying
C.
even civilized people have done some fighting and bullying
D.
civilized people have never done any fighting and bullying
【单选题】在如何提升大学食堂的用餐上,下列哪项不属于利益相关群体?
【判断题】交流接触器的短路环视为了防止线圈中的交流电过零点时产生振动而设置。( )