【多选题】矿井通过狠抓瓦斯治理,形成了三方面优势,分别是()
【单选题】The American society is ______ an exceedingly shaky foundation of natural resources, which is connected with the possibility of a worsening environment.
【单选题】The American society is______ an exceedingly shaky foundation of natural resources, Which is connected with the possibility of a worsening environment.
【单选题】The word “shaky” in “it was shaky originality here” means________.
【简答题】Scinentists jumped to the rescue with some distinctly shaky evidence to the effect that insects would eat us up if birds failed to control them。