《2025年新课堂新坐标高三一轮总复习高三英语外研版》

2. assumption $ n. $ 假定；设定；(责任的)承担；(权利的)获得
①(北师大版选择性必修第二册 Unit 5)People make the assumption(assume)that if someone important and respected says that something is right，then it must be so.
②Deep down they assumed her to be(be)the best singer of their time.
③We are working on the assumption that everyone invited will turn up.
完美写作 应用文写作之茶文化
People assume that drinking Chinese tea can not only refresh ourselves but also strengthen our memory.
→It is generally assumed that not only can drinking Chinese tea refresh ourselves but also it can strengthen our memory.(assumed)

答案： 2.①assumption ②to be ③on
@@It is generally assumed that

3. estimate $ vt. $ 估计；估价；估算 $ n. $ 估计；估算
①(外研版选择性必修第四册 Unit 5)Lying under waters across the globe are an estimated(estimate)three million shipwrecks.
②We need to make an accurate estimate(作出准确的估计)about the cost of travelling.
③It is estimated that(据估计)the total cost of rebuilding homes in the country will continue to increase this year.
④At a rough estimate(粗略估计)，one third of the country's water has been polluted.
完美写作 读后续写之环境描写
据估计，这片古老的森林占地面积超过一千英亩，高大的树木像巨型守护者一般直插云霄。
It's estimated that this ancient forest covers an area of over a thousand acres，with tall trees reaching up to the sky like giant guardians.

答案： 3.①estimated ②make an accurate estimate ③It is estimated that ④At a rough estimate
@@It's estimated that

4. alternative $ n. $ 可供选择的事物 $ adj. $ 可供替代的；非传统的
①(外研版选择性必修第四册 Unit 1)Life throws many alternatives(alternative)at us on a daily basis.
②Solar energy is an alternative to petrol.
③On the assumption that you are available，I can come to your house，or alternatively(alternative)，we can meet in the town.
归纳拓展
have no alternative/choice but to do sth. 别无选择只得做某事
there's no alternative but to do sth. 别无选择只好做某

事

an alternative to... ……的替代品
alternatively $ adv. $ 可供选择地
完美写作 应用文写作之海洋保护
面对海洋令人担忧的现状，人类别无选择只能彼此合作解决海洋危机。毕竟，世界上没有东西可以是海洋的替代品。
Faced with the worrying current situation of oceans，human beings have no alternative but to cooperate with each other to tackle the ocean crisis. After all，nothing in the world can be an alternative to oceans.

答案： 4.①alternatives ②to ③alternatively
@@have no alternative but to cooperate with; be an alternative to