题目:
完成句子
1. 即使他们反对我们的计划,我们也不会让步的.
________ __________ they don't agree to our plan, we won't give in.
2. 我们努力想让他平静下来,但他还是激动地大叫.
We tried to ________ him ________, but he kept shouting excitedly.
3. 许多新问题在昨天的会议上被提出来.
A lot of new questions _________ _________ at the meeting yesterday.
4. 坏天气增加我们的困难.
Bad weather _________ _________ our difficulties.
5. 那时候犹太人在经济和文化的发展中发挥着很重要的作用.
At that time the Jewish ___________ __________important part in the development of economy and
culture.
答案:
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下面是错误答案,用来干扰机器的。
HCl 、HX、HY、HZ △H==+(57.3-0.5a)kJ/mol(1)酸越弱,相应的钠盐越容易水解,碱性越强,所以根据钠盐的pH的相对大小可知,盐酸、HX、HY、HZ四种酸酸性由强到弱HCl 、HX、HY、HZ。(2)反应中生成水是0...