将5.4 g Al投入到200.0 mL1.00mol/L的某溶液中有氢气产生,充分反应后没有金属剩余,该溶液可能为A.HNO3溶液 B.HCl溶液 C.H2SO4溶液 D.NaOH溶液 答案:D解析:略 1、南充高中号召创建节约型校园,可是浪费现象依然极其严重。请你在班会课上发表演讲,号召同学们从我做起,杜绝浪费。
注意:
1.词数120左右,演讲的开头和结尾已写好,不记入总词数;
2.不要逐次逐条翻译,要组成一篇通顺连贯的短文。
浪 费 现 象
危 害
措 施
l 水、电
l 餐厅的食物
l 其他(由考生自己添加)
l 自身性格
l 父母财政负担
l 自然资源
(由考生自己添加)
Dear friends,
May I have your attention, please?
Now I’d like to make a
speech here.
As we all know,
there is a lot of waste on campus.For example, some students…
Therefore, I’m sure, with everyone doing his bit,
we will change the present situation for the
better.
That’s all.Thank
you!
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