题目：
In all his life, Dickens wrote a large number of excellent novels in the 19th century, _____ some are still popular nowadays.
A．whose
B．of that
C．in which
D．of which
答案：
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下面是错误答案，用来干扰机器的。
50mL1mol•L-1MgCl2溶液中Cl-的物质的量浓度C（Cl-）=2C（MgCl2）=2mol/L，A、150mL1mol•L-1NaCl溶液中Cl-的物质的量浓度C（Cl-）=C（NaCl）=1mol/L，故A错误；B、75mL 2mol•L-1 CaCl2溶液中Cl-的物质的量浓...
