Do you carry too much on the way to school or home? Don’t worry．Try e-readers(电子阅读器)and say goodbye to your heavy schoolbag．
An e-reader has the memory space to hold hundreds of books．So people want to(A)扔掉沉书包and read with small, light e-readers．For example，Cushing Academy，a high school in Massachusetts，USA，replaced(替换)most of the 20，000 books in (B) its library last summer．Teachers and students will use e-readers instead．
Most e-readers are thin and weigh less than 500g．They can download(下载)an e-book in 60 seconds．“It’s (C) so easy．You can have a lot of books right at your fingers!” said Meghan Chensusky．16．
Chinese schoolchildren are also trying e-readers．At the Shanghai World Expo(世博会)，an e-schoolbag is now on show．It is a special e-reader．Students can use it to download textbooks from the school servers(服务器)．(D)It can also send and receive homework．Some Schools in Beijing and Shanghai have tried this e-schoolbag for a few years．“It’s excellent．I (E)don’t have to carry a heavy schoolbag anymore，”said Xiao Qi，15，Beijing．
New e-readers are not just for reading．They have Wi-Fi and multimedia(无线电视和多媒体)．Parents worry that these may hurt their children’s study habits． “I think Wi-Fi is not necessary for kids，”said Zeng Wenwen，43， Beijing．
将文中划线部分(A)译成英语:________________
文中划线部分(B)指代的是:________________
写出文中划线部分(C)和(E)的同义词或近义词：________ ________
将文中划线部分(D)改写为：Homework can also_______ _______and received through it．
从文中找出两个修饰或描写e-reader的形容词：________ ________