《2025年情景导学高中英语选择性必修第四册外研版》

2. As is often the case all over the world with new areas of economic activity, the sharing economy is developing faster than existing regulations or ongoing supervision. 世界上新出现的经济领域通常都是如此,共享经济的发展速度过快,而现有法规和持续监管还未跟上。
读句入境
The British are not so familiar with different cultures, as is often the case in other countries. 英国人对不同的文化不太熟悉,其他国家通常都是如此。
Make sure your phone number is on the pet's collar, in case it gets lost. 确保宠物的项圈上有你的电话号码,以防它走丢。
In case of fire, leave the building by the nearest exit. 如遇火灾,从最近的出口离开大楼。
In any case, the purse was too expensive for her. 无论如何,这个钱包对她来说太贵了。
归纳小结
①asisoftenthecase 通常都是如此
②incase 以防万一
③incaseof 要是……,在……的时候 (尤用于官方告示)
④inanycase 无论如何,不管怎样
高考链接
根据汉语提示完成句子
The doctor shares his phone number with the patients incase (以防万一) they need medical assistance.

答案： 归纳小结：
① as is often the case
② in case
③ in case of
④ in any case
高考链接：
in case

3. Some companies are taking unfair advantage of this situation to expand their share of the market, often at the expense of more traditional and established companies. 一些公司正在利用这种情况获取不公平的优势,来扩大市场份额,通常以牺牲已有的更为传统的公司为代价。
读句入境
Purchasing travel insurance may seem an unnecessary expense, but it is a must. 购买旅游保险也许看起来没必要,但却是必不可少的开支。
We should not develop the economy at the expense of the environment, but should live in harmony with nature. 我们不应该以牺牲环境为代价发展经济,而应该与自然和谐相处。
They rented out an expensive flat to a businessman. 他们把一套昂贵的公寓出租给了一名商人。
归纳小结
①expense n. 费用,花费→expensive adj. 昂贵的,花钱多的
②attheexpenseof 以损害……为代价
高考链接
单句语法填空
Too often, when you stand up to give a speech, you focus on the “public” at the expense of the “speaking”.

答案： ① expense; expensive
② at the expense of
高考链接：at