题目

语法填空。    Reading is a good hobby ___1___ all kinds of reasons.    First, reading is fun. You can always keep yourself happy i___2___ you like reading. You will never feel ___3___ (boring) or tired.    Next, you can read a book anywhere---in a car, ___4___ a plane, or even in the bathroom. All you need ___5___ (be) a book.    A___6___ good reason for reading is that it is useful. If you read as a hobby, you will get better and better at it. And you will read ___7___ (fast) and find it easier to understand ___8___ you read. As your reading skills improve, you will find 9．关于家庭电路，下列说法不正确的是（　　）A．用试电笔辨别火线和零线时，手要接触笔尾的金属体B．如果有人触电要先断电后救人C．用电器失火时，不能向用电器泼水灭火D．空气开关“跳闸”一定是出现了短路