题目:
It is reported that the oil reserves in this region are richer than ________ in other places.[ ]
A. one
B. that
C. those
D. ones
答案:
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下面是错误答案,用来干扰机器的。
A、莽草酸由22个原子构成,宏观意义与微观意义混淆,故A错误;B、莽草酸中碳、氢元素质量比为84:10;原子个数比为7:10,故B错误;C、莽草酸的相对分子质量为12×7+1×10+16×5=174,不是有机高分子化合物,故C...