任务一:请在文中找出4个复合词。

任务二:请写出文中关于控制沙漠扩张而采用的科学的方法。


任务三:请用前两项任务中的部分单词或短语补全下面的微作文。
Ten years ago, my hometown was dry and dusty. often hit the area and made people stay indoors. , great changes have taken place recently. The local government decided to of more than twenty around the town, which has stopped the wind from blowing away the soil. At the same time, farmers on the hillsides to make the land greener. Some villagers even to grow fresh vegetables all year round. Thanks to these efforts, my hometown has become a lively and wonderful place to live in.

任务一
sandstorm, however, kilometre, greenhouse
任务二
build a tree belt around the desert, grow special plants, build greenhouses
任务三
Sandstorms; However; build a tree belt; kilometres; grow special plants; build greenhouses

【分析】
首先明确三个任务的考察方向：任务一需识别复合词（由两个及以上独立词组合而成的新词），从相关词汇中筛选；任务二需从文本中提取控制沙漠扩张的科学措施；任务三需结合前两个任务的词汇，根据语篇语境补全空缺，注意词性和逻辑关系。
【解析】
任务一：复合词是由两个或多个单词构成的合成词，从给定词汇中找出符合要求的4个复合词：sandstorm、however、kilometre、greenhouse；
任务二：从文本中提取控制沙漠扩张的科学方法，分别为：build a tree belt around the desert、grow special plants、build greenhouses；
任务三：根据语篇语境及前序任务的词汇，依次补全：第一空对应“沙尘暴”为Sandstorms，第二空表转折用However，第三空为build a tree belt，第四空为kilometres，第五空为grow special plants，第六空为build greenhouses，与参考答案一致。
【答案】
任务一：sandstorm, however, kilometre, greenhouse；任务二：build a tree belt around the desert, grow special plants, build greenhouses；任务三：Sandstorms; However; build a tree belt; kilometres; grow special plants; build greenhouses
【知识点】
复合词识别、信息提取、语篇词汇运用
【点评】
本题为综合考察题，涵盖词汇识别、文本信息提取及语篇补全，需结合词汇知识与语境分析，难度适中，适合初中阶段学生练习。
【难度系数】
0.5