高中英语人教Unit 5 Working the Land 作业.doc

UNIT 5 Working the Land
A组·基础巩固
Ⅰ. 语法填空
A
(2020·湖南长沙模拟)Chickens are excellent natural enemies of locusts (蝗虫). On average, one chicken can catch over 600 locusts a day and can cover 0.6 acres of grassland.
1. ________ (official) in China's Xinjiang have handed out over 2,200 chickens to local farmers, 2. ________ (hope) to control locusts. There has been a decline in the locust population in several counties 3. ________ the measure has been adopted.
A report predicted 4. ________ (high) than normal incidents of locusts for the northern part of China, 5. ________ (main) owing to warmer winter temperature. Nearly 10,000 acres in Wushi county have already been destroyed by locusts.
Previous efforts to kill locusts in Xinjiang included pesticides (杀虫剂) that, while effective, also 6. ________ (end) up killing off beneficial insects and harming the ecosystem. Alternatively, only 100 chickens last year in Wushi county were able to effectively limit damage 7. ________ more than 1,300 acres.
This isn't the first time China 8. ________ (use) birds against locusts. A story from The Telegraph described how officials trained 700,000 chickens and ducks 9. ________ (run) after and consume locusts at the sound of a whistle. The campaign, which included nearly 280,000 people, was a response to the country's worst locust outbreak in 10. ________ quarter century.
【语篇解读】本文是一篇说明文。中国新疆的牧场面对蝗虫灾害，采取了生态措施，利用鸡、鸭捕杀蝗虫，最终取得了良好的效果。
1. Officials　考查名词单复数。official为可数名词，根据谓语have handed out可知，主语应用复数形式，故填Officials。
2. hoping　考查非谓语动词。 分析句子结构可知，句中已有谓语have handed out，此处与谓语之间无连词连接，由此判断此处应用非谓语动词，hope与主语Officials之间是逻辑上的主动关系应用现在分词作状语。故填hoping。
3. where　考查定语从句。分析句子结构可知，此处引导定语从句，先行词为counties，指地点，关系词在从句中作地点状语，故填where。
4. higher　考查形容词的比较级。句意：一份报告预测，中国北部地区的蝗虫数量将高于正常水平，其主要原因是冬季气温升高。根据空后的than可知，此处应用比较级。
5. mainly　考查副词。 句意见上一题解析。 此处修饰介词短语owing to，应该用副词作状语，mainly意为“主要地”。
6. ended　考查动词的时态。分析句子结构可知，that引导定语从句，在从句中作主语，设空处作从句谓语，根据主句中的谓语动词included可以判断，从句应该用一般过去时。故填ended。
7. to　考查介词。句意：另外，去年在