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……………………………………………… ……………………………………………… 基础组A.单句填空(每小题1.5分，共15分，限时6分钟) 1．[2016·衡水二中期末]________ is clear that the little money the invention will bring them can hardly support so large a company. 答案 It [句意：很显然，这项发明给他们带来的一点点收入几乎不足以养活那么大一个公司。根据句子结构可知，that引导主语从句，放在句尾。it作形式主语，替代真正的主语从句。] 2．[2016·武邑中学猜题]With doubts running through my mind, I felt ________ necessary to carry out a research. 答案 it [句意：脑海里闪过一些疑虑，我感觉到有必要实施研究。根据句型结构可知，此处用it代替动词不定式作形式宾语。] 3．[2016·冀州中学仿真]Nuclear can be really dangerous at times even though ________ is a nice energy in general. 答案 it [句意：核能有时可能真是很危险的，尽管它总体上是一种好的能源。根据句意可知，it在此替代上文提到的nuclear。故填it。] 4．[2016·武邑中学预测]I, though good at English now, didn't become interested in ________ until high school when I met my present teacher, Miss Li. 答案 it [句意：尽管我现在擅长英语，但是直到遇到高中的李老师之后我才对英语开始感兴趣。根据句意可知，设空处指代上文提到的English，故填it。] | 
