专题14状语从句--备战2021年高考英语经典小题考前必刷（新高考专用）

14状语从句 序号 步骤 内容 形式（练习） 1 刷考点 知识精炼 考点 2 刷易错 易错典例 易错点 3 刷能力 强化提升 真题、模拟 ( 刷考点 -- 知识精炼 ) ( 考点 1 ) 时间状语从句和地点状语从句 1．Scientists estimate it may be five or ten months ______________ it is possible to test this medicine on human patients． A．since B．after C．before D．when 2．— Did you explain it to your boss? — No. He stormed out of the office______I could get in a word. A．since B．when C．before D．after 3．_______ he finished his description, I knew it would be years _______ everything got right. A．At the moment, since B．At the moment; before C．The moment; since D．The moment; before 4．Mary was busy with her work， and it was only around four in the afternoon she could finally lie down to rest for a while． A．when B．which C．that D．whether 5．______ it comes to speaking in public, no one can match him. A．Since B．When C．Once D．After 6．Half an hour later, Lucy still couldn’t get a taxi _______ the bus had dropped her. A．until B．when C．although D．where 7．— Mom, what did your doctor say? — He advised me to live ________ the air is fresher. A．when B．where C．whose D．that 8．______would like to devote his whole life to his country should go______there are all kinds of difficulties. A．Who;some B．Whoever;where C．Whatever; anywhere D．Who;there 9．Unfortunately,____________we should expect gratitude,we often find the opposite. A．what B．that C．how D．where 10．______others feel impossibility, Chinese people have learned to look for new opportunity. A．Why B．Where C．Until D．Unless ( 考点 2 )原因状语从句和目的状语从句 1．_____ oil is an irreplaceable natural resource, we must do whatever we can in order to conserve it before we find alternative energy sources. A．Considering that B．Even though C．Provided that D．Suppose that 2．—Well, thank you. You're a good friend, and you've changed my life. —You're welcome. Hey, you are making some real money, you can take your friend out for a nice thank-you dinner. A．now that B．unless C．as though D．while 3．They didn't go camping __________it ra