Nowadays, plastics _______ many other materials, and it is easily shaped. [ ]
A.
has taken place of
B.
has taken the place of
C.
have taken place of
D.
have taken the place of
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【单选题】在等温等压下进行下列相变: H 2 O (s,-10 °C , p θ ) = H 2 O (l,-10 °C , p θ ) 在未指明是可逆还是不可逆的情况下,考虑下列各式哪些是适用的 ? ( ) (1) Δ fus S = Q / T (2) Q = Δ fus H (3) Δ fus S =Δ fus H / T (4) Δ fus G = W...