假如你(李华)是一名中学生，假期中做了一次社会实践活动。在这次活动中你认识到水是生命之源，水资源越来越匮乏，传统的农业灌溉方式对水资源的浪费太大。请你就该问题给人民日报社写一篇倡议信，建议农民使用现代化的浇灌方式，节约用水，保护水资源，为子孙后代造福。写信时间：2009年5月17日。

My study of biology has________much of my spare time，but it has given me a great deal of enjoyment.

A．taken in B．taken down

C．taken up D．taken away

Since I don't like many vegetables, can I eat fruits every day instead __________ the nutrients I need?
A. to get        B. of getting      C. of to get      D. of get

_________in reading a book,he didn’t notice the room on fire.

　 A.Absorbing B.Having absorbed C.Absorbed 　　　　 D.To absorb

-----It is said that the girl ____ some weight hast week. -----It’s not necessary though she is a bit fat.

　 A. lost 　 B. put on

　 C. broke 　 D. made

He is still a child and shouldn’t be to b _____ for this fire.

This new soap is not much ______ the others that I have tried.

A. different    B. different than  C. different from   D. different that

The building project ______ next year is, I think, not easy ______ in time.

　　A. being carried out; to complete    B. carried out; to be completed

　　C. to be carried out; to complete     D. to be carried out; to be completed

—Do you remember　　 be came?

—Yes，I do．He came by car．

　 A．how　　　　 B．when　　　 C．that　　　　 D．if

中国自古就有“尊老爱幼”的优良传统，老年人是我们身边值得关注的群体之一。近年来，老龄化问题更是成为社会关注的焦点。作为中学生，我们应该如何帮助老年人？近日，你校将举行一次“英语讨论会”，讨论该如何帮助身边的老年人，届时，你将作为一名学生代表发言。请根据下列提示写一篇150词左右的发言稿。

1. 经常帮助身边或社区的老年人做一些力所能及的事；

2. 多关注他们的健康状况，多陪他们聊天，消除他们的孤独感；

3. 帮助老年人发展一些个人兴趣；

4. 在公共场合多帮助老年人；