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素能提升演练（十二）
必修3 Unit 2
Ⅰ．单词拼写
1．Mary has been on a ______ (节食) for weeks but still hasn’t lost any weight.
2．He pushed against that big stone with all his ______ (力气)．
3．There is a time _______ (限制)：you must finish it in 30 minutes.
4．The two men in the fight ________ (怒目而视) at each other.
5．You will ________ (受益) a lot from morning exercises.
6．Don’t be particular about food. A _______(平衡的) diet is very important for health.
7．The letter was not addressed to me but I opened it out of ________(好奇)．
8．We aim to offer good value and service to all our _________ (顾客)．
