1. 你知道should和could表示建议的用法吗？一起来看一看吧。
—I always have trouble sleeping. 我总是睡不好觉。
—It's bad for your health. You should go to a doctor. 这样对你的身体不好，你应该去看医生。
—I don't know how to solve this maths problem. 我不知道这道数学题怎么做。
— You could ask your teacher for help. 你可以向你的老师求助。
总结: 通过例句，你能试着小结一下should和could的词性与用法吗?

【即学即练】根据语篇内容,用should或could的适当形式将对话补充完整。
A: Hi, I have so much schoolwork and don't know how to deal with it.
B: Oh dear. Well, first, you (1) make a study schedule. That way, you can manage your time better.
A: That sounds like a good idea. But I also feel like I'm lacking energy. I'm always tired.
B: You (2) try doing some light exercise every day, like taking a 20-minute walk after school. You (3) study all the time.
A: What else should I pay attention to?
B: You (4) drink more water after doing exercise.
A: Okay, I'll try it. Thank you.

总结部分：①情态；②原形；③couldn't
即学即练：(1) should；(2) could/should；(3) shouldn't；(4) should

should和could均为情态动词，情态动词后接动词原形，could的否定形式是couldn't。在即学即练的对话中：(1) 针对学业问题给出合理建议，用should表示“应该”；(2) 委婉建议对方尝试锻炼，可用could或should；(3) 根据语境需表达否定建议“不应该一直学习”，用shouldn't；(4) 给出合理健康建议，用should表示“应该”。

2. 我们一起来看看matter这个单词有哪些用法吧。
首先,matter可以作动词:
It doesn't matter to me what you wear. 你穿什么对我来说无所谓。
The result is not important. What matters is that we try our best.
结果并不重要,重要的是我们尽力了。
You have a lot of experience in it, so your opinion matters to me.
你在这方面很有经验,所以你的意见对我很重要。
总结:你能根据上述句子试着总结一下matter作动词的用法吗?

再次,matter作名词:
What's the matter with you?你怎么了?
It's a matter of time before he makes great progress in speaking fluently.
他在流利说话方面取得重大进步只是时间问题。
I have an important matter to discuss with you.我有一件重要的事情要和你商量。
No matter how hard it is, never give up.无论多难,永不放弃。

【即学即练】根据语篇内容,写出画线部分的中文意思。
(1)The matter of environmental protection is of great importance. It's not just (2)a small matter that we can ignore(忽略). We all know that (3)it matters a lot for our future. Every action we take matters in protecting our planet. So, let's not think that (4)it doesn't matter what we do. Instead, we should realize that small actions can make a big difference to our environment.
(1) (2) (3) (4)

总结部分：
①重要的是……
②对某人来说很重要/要紧
③是……的问题
④一件要商议的事
⑤无论……
即学即练：
(1) 环境保护这件事
(2) 一件小事
(3) 这很重要
(4) 无所谓/没关系

根据给出的例句总结matter的动词和名词用法，再结合语境翻译画线内容：
1. 动词用法：
①根据例句“What matters is that we try our best. 结果并不重要，重要的是我们尽力了”，可知该结构意为“重要的是……”；
②根据例句“your opinion matters to me. 你的意见对我很重要”，可知该结构意为“对某人来说很重要/要紧”。
2. 名词用法：
③根据例句“It's a matter of time... 他在流利说话方面取得重大进步只是时间问题”，可知该结构意为“是……的问题”；
④根据例句“an important matter to discuss with you. 我有一件重要的事情要和你商量”，可知该短语意为“一件要商议的事”；
⑤根据例句“No matter how hard it is, never give up. 无论多难，永不放弃”，可知该结构意为“无论……”。
3. 即学即练结合语境翻译：
(1)结合语境，The matter of environmental protection指“环境保护这件事”；
(2)a small matter指“一件小事”；
(3)it matters a lot指“这很重要”；
(4)it doesn't matter指“无所谓/没关系”。