《2025年金版新学案高中英语选择性必修第一册》

1. 句型公式 倍数表示法
教材原句 They found that human activity is causing species to die out1,000 times faster than normal(比正常情况快 1 000 倍).
2. 句型公式 It is clear that...显然……
教材原句It is clear that(显然)human activity has negatively affected all other species on Earth, including animals and plants.
3. 句型公式 含蓄条件句
教材原句 Without forests, wewould have no air to breathe(将没有空气呼吸), and without clean water wewould be unable to survive(将不能存活下去).

答案： 1.1,000 times faster than normal
2.It is clear that
3.would have no air to breathe;would be unable to survive

Ⅰ. 核心词汇练全
1. varied adj. 各种各样的,形形色色的
(教材原句)The reasons for extinctions are varied. 物种灭绝的原因是多种多样的。
单句语法填空/完成句子
①As we know, the styles of clothes varywiththe fashion trend.
②We may havevarious(vary) ways to deal with such a situation.
③The library provides its readers a largevariety(vary) of books.
④It's crucial that your daily activities arevaried(vary) and meaningful.
归纳
(1)vary v. 改变;变化;不同,相异
vary from... to... 从……到……不等;在……到……之间变动
vary in... 在……方面不同,有差异
vary with 随……而变化
(2)variety n. 变化;多样性;种类
a variety of/varieties of 各种各样的
(3)various adj. 各种不同的;各种各样的
⑤远远望去,大小和形状各不相同的房子,在落日余晖的映衬下显得更加美丽。
From a distance, the houseswhich varied in sizes and shapesare more beautiful in the sunset. (读后续写之环境描写)
⑥看到各种各样的装饰品,汤姆看着妈妈,自言自语道:“我到底该买哪件呢?”
Seeing varieties of decorations,Tom watched his mum and said to himself, “Which one should I buy?”(读后续写之动作描写)

答案： 1.①with ②various ③variety ④varied ⑤which varied in sizes and shapes ⑥Seeing varieties of decorations