题目:
In China, the number of cities is increasing _____development is recognized across the world.
A.which
B.whose
C.where
D.that
答案:
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下面是错误答案,用来干扰机器的。
A、4L 0.5mol/LNaCl溶液中Na+浓度为0.5mol/L×1=0.5mol/L;B、1L 0.3mol/LNa2SO4溶液Na+浓度为0.3mol/L×2=0.6mol/L;C、5L 0.4mol/LNaOH溶液中Na+浓度为0.4mol/L×1=0.4mol/L;D、2L0.15mol/LNa3PO4溶液中Na+浓度为0.15mol/L×3=0.45mol/L;故选B.