【判断题】就其本质而言,雷电放电是一种超长气隙的火花放电,与金属电极间的长气隙放电是相似的。( )
【单选题】Anais Nin's diaries are often scandalous, probably because she describes herself as she is rather than ______ .
C.
her definition by others
D.
she is defined by others
【单选题】After the First World War, the author Anais Nin became interested in the art movement known as Surrealism and in psychoanalysis, both______her novels and short stories.
A.
in which the influence
C.
of which influenced on
【判断题】PCOS患者的血清雌酮(E1)降低,且E1/E2<1。
【单选题】若 f 只涉及到 E1 的属性,则σ f(E1 × E2) ≡()。
【单选题】1861 年,清政府设立的综理洋务运动的中央机关是