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In her novel 'Frankenstein', Shelly uses time and setting to foreshadow danger and doom for Victor, especially in relation to Robert Walton.
Shelley's opening setting of Walton's ship sets a tone of ...

Assumption: If sqrt(2^n- 1) ∈ℕ , it means that there is a k ∈ ℕ such that (2^n-1) = k^2  ⇒ k is odd, so there is m ∈ ℕ such that (2^n-1)=(2m+1)^2 . By solving the equation we get 2^n= 4m^2+4m+2. We divide...

政府收入的增加，平均商品价格的增加，旅游人总数的增加

There is a semantic field of words linked to growing up or changes in various stages of life such as 'development', 'new' and 'different'. Evidently, this describes the son growing up, most likely from an...

The process of moving air into and out of your lungs is called ventilation, or breathing. Ventilating the lungs is brought about by the contraction and relaxation of the intercostal muscles and the diaphr...