【新教材】2020学年高一英语选修第一册新教材核心知识夯实全攻略(人教版)
Unit 5 Working the land
第一部分：教材原句重点解析
1. Using his hybrid rice, farmers are producing harvests twice as large as before.
【翻译】_______________________________________________________
【答案】用他的杂交水稻(种子)，农民们种出的粮食比以前多了一倍。
【析】句中现在分词Using his hybrid rice 作_______________，twice as large as before是_______________表达。
(1)倍数 +形容词/副词的比较级 + _______________...
英语中的倍数表达法 (2)倍数 + as +形容词/副词的原级 + _______________...
(3)倍数 + the + 名词+_______________ ...
注意：三倍以上用times表示，两倍用_______________或者_______________表示。
【答案】原因状语; 倍数;than; as; of ;twice; double
2. Recently, however, scientists have been finding that long-term u of the fertilizers can cau damage to the land and, even more dangerous, to people’s health.
【翻译】_______________________________________________________
_______________________________________________________
【答案】然而，最近科学家发现长期使用这些肥料会造成土地受损，甚至更危险的是，会对人们的健康造成危害。
我的表弟作文
【析】句中的have been finding是100句名言警句_______________，表示动作从过去某个时间开始，一直持续到_______________，并将张嘉佳的书_______________。
现在完成进行时用法：
(1)表示一个在过去开始而在最近刚刚结束的动作。
(2)表示一个从过去开始但仍在进行的动作。
(3)表示一个从过去开始延续到现在(可以包括现在在内的一个阶段内)重复发生的动作。
标志：
1. 句中常有_______________；
2. 时间点前有since
青年大学习心得体会
【答案】现在完成进行时; 现在; 持续下去; 延续性动词
3. Therefore, there is still a long way to find a suitable solution that puts sufficient food on the dinner table while keeping people and the environment as healthy as possible.
【翻译】_______________________________________________________
_______________________________________________________
起卦方法【答案】因此,要找到一个合适的解决方案还有很长的路要走,该方案可以在餐桌上提供足够的食物,同时又要尽可能保持人和环境的健康。
【句式剖析】本句是一个_______________。______________________________是主句,是_______________,while keeping是_______________。______________尽可能……。
Plea respond to me ______________________________.
请尽快给我回信。
He desired that his book be read by ______________________________他希望有尽可能多的人读他的书。
【句式拓展】
as...as possible相当于as...as one can,使用时需要注意can的变化。血稠怎么办
You should read more and more books, as carefully as you can!
你要多看一点书,尽可能认真地看。
【答案】复合句; there is still a ; 定语从句; 省略句; as...as possible；as quickly as possible；as many people as possible.
4. In fact, some pesticides like 老年人简笔画DDT have been prohibited in most countries大笑成语 becau of the damage they cau to people and the environment.
【翻译】_______________________________________________________
_______________________________________________________
【答案】事实上,在大多数国家,像滴滴涕这样的杀虫剂已经被禁止,因为它们对人和环境造成了损害。
【句式剖析】
becau of因为……,是介词短语,常用作原因状语,后面跟名词或代词作宾语。
My brother didn’t pass the driving test exam ______________________________
由于我弟弟的懒惰,他没有通过这次驾驶考试。
The sports meeting has been put off _____________________________________________
由于天气不好,运动会被推迟了。
【温馨提示】
becau是连词,其后接句子;becau of 是复合介词,其后接名词、代词、动词的-ing、what 从句等,它在句中不用作表语。
The teacher got angry becau of _______________________________________________
老师由于我们课上做的事情生气了。
We decided not to climb the mountains becau______________________________
正下着暴雨,所以我们决定不去爬山了。
【答案】becau of his laziness.；becau of the bad weather.；what we had done in class；it was raining heavily.
第二部分：课文原创语法填空。
A
Yuan Longping, 1.________________(know) as the “father of hybridrice”, is one of China’s most famous scientists. Yet, he considers himlf a farmer becau he 2_______________(continual) works the land in his rearch. Indeed, his slim 3_______________strong body is just like that of millions of Chine farmers, to _____4_______he has devoted his life.
Yuan Longping was born in 1930 in Beijing. His parents wanted him to pursue a career in science or medicine. However, 5______________concerned him most was that farmers often had poor harvests and sometimes even had a rious 6____________(short) of fo
od to eat. To tackle this crisis, he cho to study agriculture and received an education at Southwest Agricultural College in Chongqing.
After 7________________(graduate)in 1953, he worked 8___________ a rearcher. Yuan Longping realized that larger fields were not the solution.9_________________, farmers needed to boost yields in the fields they had. How this, could be done was a challenging question at the time. Yuan 10_______________(convince) that the answer could be found in the creation of hybrid rice. A hybrid is a cross between two or more varieties of a species. One characteristic of hybrids is11______________ they usually attain a higher yield than conventional crops. However, 12___________it was possible to develop a hybrid of lf-pollinating plants such as rice was a matter of great debate. The common 13_______________(assume)then was that it could not be done. Through inten effort, Yuan overcame enormous technical difficulties to develop the first hybrid rice that could be ud for farming in 1974. This hybrid enabled farmers to expand their output greatly.
