I like my ball. It's super.

阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空格处填入一个适当的词或使用括号中词语的正确形式填空。

    Reading is a good hobby for all kinds of reasons.

    First, reading is fun. You can always keep ____（you） happy if you like reading. You will never ____ (feeling) bored or tired.

    Next, you can read a book anywhere—in ____ car, on a plane, or even in the bathroom. All you need ____ (be) a book!

    Another good reason for reading is that it is ____ (use). If you read ____ a hobby, you will get better and better at it. And you will read faster and find it easier to understand ____ you read. As your reading skills improve, you will ____ (probable) find your schoolwork becomes much better.

    Some people say that reading is out of date. This is not true. You can read on computers, and the better you read, the ____ (good) your computer skills will be.

    Good readers may become ____ (writer), too. They always have more things to write about.

近年来，中小学生溺水、高空坠落、交通意外、性侵害等安全事故时有发生。每一次事故、每一个孩子的不幸身亡，都给个人家庭带来无限的悲痛。面对各种意外伤害，青少年应当（    ）

细胞膜的主要功能是（  ）