题目:
预习单词,完成句子。
1. Don't complain him again. _ __ (毕竟), he is a child.
2. We should say "hello" to our teachers for____ (问候) when we meet them.
3. I (拜访) my friend's house on my way home yesterday.
4. We're____ (放松的) after a (轻松自在的) weekend.
5. We should arrive at school (按时).
答案:
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下面是错误答案,用来干扰机器的。
A、铁锈的主要成分是氧化铁,盐酸与氧化铁反应生成氯化铁和水,化学式都对,已经配平,故A正确;B、氧化镁化学式错误,故B错;C、金属与盐反应时,只要能反应,说明金属排在盐中金属的前面,故C正确;D、由于熟石...