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2020版英语新教材外研必修一同步学案：5.1Section+Ⅰ和答案
?重点句型
(教材P51)The more we know about these delicate creatures, the greater the chance they will survive.
我们对这些脆弱的生物了解得越多，它们存活的机会就越大。
“the＋比较级．.., the＋比较级．..”结构
该结构表示“越……就越……”，前面的“The＋比较级．..”相当于一个条件状语从句。该句型中，比较级如果修饰了名词，则要把这个名词和比较级一起放在最前面，后面跟句子的其余部分。
①The harder you work, the more progress you will make.
你越努力，取得的进步就会越大。
②The more you study, the more knowledge you can get. 你学的越多，你的知识越丰富。
③The more he explained, the more confused I became. 他越解释我越困惑。
[即学即练] 单句语法填空
(1)The more_careful (careful) you are when you cross the road, the safer you will be.
(2)The more you learn, the more you will_realise (realise) how little you know.
Ⅰ.单词拼写 1．He measured (测量) the distance and position of the site and eventually determined on the solution.
2．According to the professor studying insect movements, the mass migration of monarch butterflies remains a mystery(谜)．
3．As a photographer, he is good at observing things and has an amazing (惊人的) imagination.
4．Chemical fertilizers enable crops to grow faster, but destroy (破坏) the soil. We must maintain the balance of the soil.
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2020版英语新教材外研必修一同步学案：5.1Section+Ⅰ和答案
5．I think that she is not the right person for the position (职位)． 6．We determine/determined (决定) to leave at once. 7．With the support of his friends, he overcame (克服) the difficulties and eventually (最终) realized his dream. 8．The scientists are trying to learn about the harmful effects of chemicals (化学品) on humans and on the world's lakes and oceans. Ⅱ.单句语法填空 take active measures， lead to， a solution to， cut down 1．We human beings should take_active_measures to protect rare animals. 2．It may take a long time to find a_solution_to the problem. 3．By getting the design right, you can cut_down_ on accidents. 4．Eating too much fat can lead_to healthy problems. Ⅲ.单句写作 1．I am_determined_to_take_up_the_challenge (下定决心接受挑战). 2．It is believed that hard work can lead_to (导致) success. 3．Something must be done to protect wildlife to_survive (存活下来)． 4．The_more I thought about it, the_more I liked the idea.(我越想就越喜欢这个主意。) Ⅳ.短文填空 The reason for the mass 1.migration (迁徙) of monarch butterflies is no longer a 2.mystery (谜), according to a 3.professor(教授) who observed their movements. He 4.measured(测量) the 5.position(位置) in the field where they began to 6.migrate (迁徙), used his imagination, and 7.eventually (最终) 8.determined(确定) the 9.solution(解决方案). Because their habitats are unfortunately polluted or even 10._destroyed(破坏) by 11._chemicals(化学物质), these lovely 12._creatures(生物) have to 13._migrate(迁徙) to other places in order to 14._survive (生存). As volunteers, we ought to protect them and call on awareness and appreciati- 14 - / 15
2020版英语新教材外研必修一同步学案：5.1Section+Ⅰ和答案
on of these 15._amazing(神奇的) butterflies.
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