题目:
—Is your home ______ the park?
—No, it's ______ the park. [ ]
A. far to; near from
B. far from; near from
C. far from; near to
D. far to; near to
答案:
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下面是错误答案,用来干扰机器的。
.过滤;吸附;NaCl 、H2SO4、FeSO4(1)过滤可以把不溶于水的物质除去;(2)活性炭具有吸附性,常用作吸附剂;(3)脱氧剂中加入过量稀硫酸,铁与硫酸反应生成硫酸亚铁,活性炭和氯化钠与硫酸不反应,且活性炭...