根据汉语提示写出单词。 
1.The good news____（传播）fast. We are very happy to hear it
2. You look ____ (苍白)， what's wrong with you?
3. Take this____(药) three times a day.
4.He coughs ____ (日日夜夜)
5.While we are in class, we should take an ____（活跃）part in all the activities.
6. Doing more exercise like running helps to____ (增强)our body.
7. All of us should ____(戒除) smoking.
8.I want go be a doctor ____ (将来)
9. Mum, don't (担心)____me. I'll take good care of myself.
10. Why don't you ____  （躺下）？

某同学在实验室中用盐酸与石灰石反应，将制得的气体通入澄清石灰水中，发现石灰水始终不变浑浊，于是该同学对不变浑浊的原因进行了如下实验探究．

【查阅资料】CO₂既不与AgNO₃溶液反应，也不与饱和NaHCO₃溶液反应．

【提出猜想】①澄清石灰水已经变质．

②制得的气体中除CO₂外还含有其他成分．