敲击鼓面，在听到鼓声时，还可看见鼓面上小纸团在跳动，说明鼓声是由于鼓面的____ 产生的；鼓面的____ 越大，鼓声的响度越大．

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    Some people say that reading is out of date.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.

2015年8月19日国务院总理***主持召开国务院常务会议，会议决定从2015年10月1日起到2017年底，依法将减半征收企业所得税的小微企业范围，由年应纳税所得额20万元以内(含20万元)扩大到30万元以内(含30万元)。此次税收政策调整，其合理的传导顺序是（  ）

①投资需求释放 ②更多小微企业享受税收优惠 ③缓解经济下行压力 ④自主创业积极性提高