根据有关数据统计，目前相当一部分青少年都拥有智能手机，部分青少年“走路看手机，吃饭看手机，上厕所看手机，睡觉看手机，甚至上学也看手机”。中学生是否可以携带智能手机上学？”

这一话题也是目前师生和家长都非常关注的话题。八年级1班的同学对此进行了调查。

根据短文理解，选择正确答案。

    We are all learning English, but how can we learn English well? A student can know a lot about English, but maybe(可能)he can't speak English.

    If you want to know how to swim, you must get into the river. And if you want to be a football player, you must play football. So, you see. You can learn English only by using it. You must listen to your teacher in class. You must read your lessons every day. You must speak English to your classmates and also you must write something sometimes. Then one day, you may find your English very good.

休养    休息

①我们既要有紧张的工作，又要有适当的____。

②我们的一个伤员在您家里____，敌机来了，您丢下自己的小孙孙，把伤员背进了防空洞。