She won’t lose weight______ she keeps a diet and takes exercise every day.A．unle
题型：不详难度：来源：
She won’t lose weight______ she keeps a diet and takes exercise every day.| A．unless | B．if | C．because | D．since |
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答案
| A |
解析
试题分析：句意:除非她每天节食，并且做运动，否则她不会减肥。本题考查连词，unless 除非，如果不，引导条件状语从句；if 如果，引导条件状语从句；because 因为，引导原因状语从句；since 自从，表示时间；或既然，表示原因。根据句意可知选Ａ。 |
举一反三
____ it’s raining , _______ they expect to go to the park. | A．Although ; but | B．Although ; / | C．/ ; / | D．But ; although |
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—Tom isn’t feeling very well.
—He seems to have a cold the weather changes suddenly.| A．before | B．so | C．because | D．if |
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—Little Kate went to the concert_______it rained heavily yesterday.| A．even though | B．if | C．until | D．unless |
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—Mary，I don’t know ____ you can come tomorrow morning.
—No problem! I’ll be here _____I’m free then.| A．if；if | B．if; whether | C．whether；till | D．whether；until |
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------I will hold on to my dream _________ there are so many difficulties.
------Never give up, and you will be successful.| A．because | B．until | C．although | D．unless |
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